Q: 9. A car has an initial velocity of 15 m/s. The car slows with a negative acceleration of 4.5 m/s2.…
A: Given data: Initial velocity (u) = 15 m/s Acceleration (a) = 4.5 m/s2 Final velocity (v) = 4.0 m/s…
Q: 6. How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1…
A: Dear student, According to the guidelines I am allowed to answer only one…
Q: 3) A car is traveling at 7.0 M/s when a tree falls on the road. The driver takes 0.5 seconds to…
A: there are three equations of motion v = u + at v2 = u2 + 2as s = ut + 0.5 gt2 here , u = initial…
Q: 3) A train is traveling at a certain speed. When the conductor applies the brakes, it takes 1 minute…
A:
Q: 17). What is the acceleration of a car that travels a constant velocity of 5.0 mls for 5.5 s?
A: According to definition of acceleration , the change in velocity with time is called acceleration.…
Q: 4. A race car accelerates uniformly from 19.5 m/s to 46.1l m/s in 2.47 seconds. Determine the…
A: Given, Initial velocity, V1 = 19.5 m/s Final velocity, V2 = 46.1 m/s Time taken,T = 2.47 sec
Q: I am confused. I need help to convert m/s^2
A: Given information:Initial velocity of the car (u) = 55mi/h.Final velocity of the car (v) = 60…
Q: 4. Suppose that typoon adding accelerates from 10 km/hr to 12 km/hr in just 30 min. If it continuous…
A: Given : vi = 10 km/hr = 2.778 m/s vf = 12 km/hr = 3.333 m/s t = 30 min = 1800 seconds
Q: 11). How long does it take you to travel 200.5 meters if you constantly accelerate from 2.50 mls to…
A:
Q: A cheetah can accelerate from rest to a speed of 28.0 m/s in 6.75 s. What is its acceleration? m/s2
A:
Q: A cheetah can accelerate from 0m/min to 1820m/min in 3 seconds. What is the average acceleration of…
A:
Q: A cyclist travelling initially at 14 m/s south, brakes smoothly and stops in 4.0 s. What is the…
A:
Q: 12. You are driving home from at 85.0 km/h for 130. km, then you slowed down to 70.0 km/h. You…
A:
Q: 13-A runner runs from rest for 8 s with a constant acceleration of 0.5 m/s². Then it runs for…
A:
Q: 4. A French high velocity train accelerated uniformly from 350km/hr to 500 km/hr as it moves through…
A:
Q: 2. The velocity of a car increases from 2.0 m/s at 1.0 s to 16 m/s at 4.5 s. What is the car's…
A: Given: Initial Velocity u = 2.0 m/s Final Velocity v = 16 m/s t1 = 1.0 s t2 = 4.5 s
Q: 2. A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m.…
A:
Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of −5.0…
A:
Q: 15). What is an object's acceleration that takes 550.0 meters to go from 6.0 m/s to 85.0 m/s?
A:
Q: 5. A train travels 120 km in 2 hours and 30 minutes. What is the average speed of the train?
A:
Q: 13. A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute.re The…
A:
Q: A car started from rest and reaches a speed of 18 m/s in 25 seconds. How many seconds would it take…
A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 18 m/s Time (t) = 25 seconds…
Q: 3. A train travels 120 km in 2 hours and 30 minutes. What is its average speed?
A: According to question GIVEN DATA 1) distance=120km 2) time=2 hours and 30 mins time= 150 mins…
Q: 6.A woman swims the length of a 112-m pool and back again (one lap) in 108.03s with a constant…
A:
Q: A train accelerates from 36 km/h to 54 km/h in 10 sec. (i) Acceleration
A: solution as
Q: 4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE- A CAR İNCREASING ITS SPEED FROM 75…
A:
Q: 15. How long does it take to drive a distance of 260 miles at a speed of 65mph?
A:
Q: 7.An object accelerates, uniformly from rest. If it travels 26.Om south, and reaches a velocity of…
A:
Q: Starting from rest, an airplane needs 500 meters of the runway, and the time required is 25 seconds.…
A: Given data: Initial velocity (v0 ) = 0 m/s Distance (x) = 500 m Time (t) = 25 s Required: The speed…
Q: A car traveling with an initial velocity of 23.67 m/s to the east, sees a wall 78.64 meters to its…
A:
Q: 13). What is the acceleration of a Ford Mustang GT that can go from 0.00 to 27.8 mls in 5.15…
A: As we know, the formula for acceleration is Acceleration = change in velocity/time taken a = (v2 -…
Q: The average speed of a car is 27 m/s during the first 10 seconds of acceleration. What is the…
A: Given: The average speed of the car is 27 ft/s. The time interval is 10 s. The acceleration of the…
Q: 5. An object accelerates to a velocity of 34 m/s over a time of 1.3 s. The acceleration it…
A: Final velocity (v) = 34 msInitial velocity = u Acceleration (a) = 15 ms2Time taken (t) = 1.3 s
Q: 9. A train with a constant speed of 16 m/s passes through a town. After leaving the town, the train…
A: The relation between velocity, acceleration and time can be given by, V=U+at.............(1) Where,…
Q: 2) At highway speeds, a car is capable of accelerations of about 1.5 m/s?. How long does it take a…
A: Given, initial velocity =20 m/secfinal speed =37 m/secacceleration =1.5 m/sec2time to accelerate the…
Q: 8) A bullet fired into a tree trunk strikes it with an initial velocity of 300 m/s. If the bullet…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: A cargo ship makes a short run between two docks: one in Mock Town. The other is in Logue Town. As…
A: Given data : Initial speed (u) = 7.4m/s Final speed (v) = 0 m/s…
Q: 4. A car company claims that its car can accelerate from rest to a speed of 28.0 m/s in 20.0 s. Find…
A:
Q: 13). What is the acceleration of a Ford Mustang GT that can go from 0.00 to 27.8 m/s in 5.15…
A: Since there is more than one question solution for the first question is provided here. please…
Q: 8. A car is initially traveling at 50.0 km/h. The brakes are applied and the car stops over a…
A: To determine,magnitude of car's acceleration(a).given,speed of car(v)=50 kmh=13.9 ms-1distance…
Q: 13. Find the time (Seconds)needed for a car to go from 25m/s to 55 m//s with an acceleration of 1.4…
A:
Q: 7. If the vehicle velocity changes from 0-60mph in 4.2 s, Calculate the average acceleration when…
A: 7) Change in velocity = 60mph = 60* 1.60934 = 63.66 Kmph t = 4.2 s = 4.2/3600 = 1.167*10-3 h…
Q: 10.A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/s? If the cart has a…
A: The final speed of the cart is calculated by using the kinematics equations. Here, v, u, a and t…
Q: 3.) A bicyclist starts at rest and speeds up to 30 m/s while accelerating at 4 m/s?. Determine the…
A: Using equation of motion we get the answer of this problem
Q: We drive a distance of 1 km at 16 km/h. Then we drive an additional distance of 1 km at 32 km/h.…
A: formula for average speed= total distancetotal time total distance= (1+1)= 2 km time= distancespeed…
Q: A car travelling on a straight road initially at 53 km/h accelerates for 2.3 s at a constant…
A: Initial speed, Time, Acceleration, Applying the first equation of motion, we have
Q: 2) A car traveling at 31.5 m/s starts to decelerate steadily. It comes to a stop in 9 seconds. How…
A:
Q: 4. A car is travelling at 10 m.s when the driver sees a police car. The driver brakes and…
A: Given Data : The initial velocity of the car is given as u=10 ms The deacceleration of the car is…
Q: 5. An "L" train leaves the Washington station on the blue line starting from rest and accelerating…
A: Intial velocity of the train = 0 msacceleration (a) = 1.35 ms2time (t) for which the train is…
4.What is the average acceleration of a car entering a city that decelerates from 90 km/h to 50 km/h in 10 seconds?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 10. An object moves with uniform acceleration. Its velocity increases from 10 m/s to 20 m/s at a distance of 75 m. The object continues its motion with the same acceleration. What is the distance traveled by the object when its velocity increases from 20 m/s to 40 m/s?8. A drag car starts from rest and accelerates at a rate of 10.0-m/s² for a distance of 400-m (~1/4 mile). (a) How long did it take the car to travel this distance? (b) What is the speed of the car at the 400-m mark? Answers: (a) 8.94 s (b) 89.4 m/s2. A car that travels at 8.9 km/hr for 2.0 hrs, at 3.6 km/hr for 1.0 hr and at 2 km/hr for half an hour. What is its average speed?
- 18. You are investigating an accident scene in which several cars wrecked in order to avoid a car skidding to a stop. The skid marks are 65 m long. A skidding car will have a deceleration rate of about 10 m/s2. How fast was this car going before it began to skid?11. A truck covers a distance of 40.0 meters in 8.50 seconds while smoothly slowing down to a speed of 2.80-m/s. (a) What was the initial speed of the truck? (b) What acceleration did the truck undergo while slowing to its final speed? Answers: (a) 6.61 m/s (b) -0.448 m/s²2. A person jogs 4.0 km in 32 minutes, then 2.0 km in 22 minutes, and finally 1.0 km in 16 miutes. What is the jogger's average speed in km per minute?
- 2. A man jogs halfway to his destination at 8 km/h and walks at rest of the way in 6 km/h. What is his average speed for the entire trip? 3. A bus travels 400 m between two stopes. It starts from rest and accelerates at 1.5 m/s? until it reaches a speed of 9 m/s. The bus continues at this speed until it decelerates 2 m/s² until it comes to a halt. Find the total time required for the journey. ---- End of Activity --40. An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and then takes off at a speed of 60 m/s. What is the average acceleration of the plane?9. A rocket is launched from Wallops Island: a. The rocket leaves the ground from rest and reaches a height of 1000 meters in 6 seconds. What is the average velocity of the rocket after 6 seconds? b. Again, the rocket leaves the ground from rest and reaches a velocity of 400 m/s after 10 seconds. What is the average acceleration after 10 seconds? c. If after the rocket reaches 1000 meters, the engines fail. Ohhhhh, bad day for the rocket! Describe the motion of the rocket from 1000 meters until the rocket crashes into the ground in terms of a, v, and position: 10. Pick your favorite Physicist who lived between 1900 and 2021. Write a short description of what great achievement he/she made to Physics.
- 4. A car traveling at a speed of 35.0m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop if it decelerates at 5.2 m/s²?3. A biker starts with an initial velocity of 10 m/s until it reaches a velocity of 30 m/s in 2 seconds. Determine his average acceleration.41. Average velocity. In t seconds, an object dropped from a certain height will fall s(t) feet, where s(t) = 161?. a) Find s(5) – s(3). b) What is the average rate of change of distance with respect to time during the period from 3 to 5 sec? This is known as average velocity, or speed.