PLEASE ANSWER IN 10 MINUTES ! ! ! A stone is dropped off a cliff. After this stone has traveled a distance d, a second stone is dropped. Until one of them hits the ground, the distance between the two stones will always: Select one: a. stay constant. b. decrease at first, but then stay constant. c. increase. d. increase at first, but then stay constant. e. decrease.

Q: 7. A person takes a trip, driving with T km/h, except for a 22.0-min rest stop. If the person's a…

A: We are allowed to give the explanation of first question only which is given below.  Please repost…

Q: 2.56 •• On a 20-mile bike ride, you ride the first 10 miles at an average speed of 8 mi/h. What must…

A: distance = 20 miles d1= 10 miles ; v1= 8 miles per hour d2= 10 miles

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: Many highways have a speed limit of55 mi>h. (a) Is this speed greater than, less than, or equal…

A:

Q: 7.A motorist drives north for 35.0 min at 85.0 km/h and then stops for 15.0 min. He then continues…

A:

Q: 1) A skater increases her velocity from 2.0m/s to 10.0m/s in 3.0seconds. What is the skater's…

A: Since you are posted more than one question, we will answer the first question. If any specific…

Q: Peacock mantis shrimps (Odontodactylus scyllarus) feed largely on snails. They shatter the shells of…

A:

Q: 2. A boy on a bike rides north 5 mi, then turns east. If he rides 10 mi/hr, at what rate does his…

A:

Q: A car is cruising at a constant speed of 27.3 m/s. The driver of the car sees a red light ahead and…

A: Given:initial speed of car u=27.3 m/s acceleration a=-2.33 m/s2 (velocity decreases, thus it is…

Q: The flight of a rocket is as follows: From rest and at sea level, the rocket is launched and climbs…

A: Given:Initial velocity of the rocket, u = 0 m/sInitial acceleration of the rocket, a = 17.2 m/s2Fuel…

Q: A pebble is thrown into the air vertically from the ground and falls back to the ground at 15 second…

A: Given: Time of flight of pebble, T = 15 seconds Acceleration due to gravity, g = 10 m/sec2

Q: isitive physics student and mountain climber climbs a 49.0-m-high cliff that overhangs a calm pool…

A:

Q: 1. An airplane accelerates down a runway at 3.20 m/s? for 32.8 seconds until is finally lifts off…

A: The kinematics equation can be used to find the unknown distance, time, and velocity. The three…

Q: 1. (a) It took a ball 0.64 seconds to fall to the ground when dropped from a height. What was the…

A: a) Apply the second kinematic equation and substitute the required values.

Q: 1. On an interstate highway in a rural region of Wyoming, a car is traveling at a speed of 38.00…

A: Given, Speed of the car,  v = 38 m/s Speed limit = 75 mi/h We have,  1 meter = 1/1609.34 miles 1…

Q: A race car is one lap behind the lead race car when the lead car has 47 laps to go in a race. If…

A:

Q: 5. On the planet of Vormir, the acceleration of gravity is negative 4 meters per second per second.…

A:

Q: 2.56 • On a 20-mile bike ride, you ride the first 10 miles at an average speed of 8 mi/h. What must…

A: Given : d = 20 miles d1 = 10 miles v1 = 8 mi / h d2 = 10 miles

Q: Alcohol consumption slows people's reaction times. In a controlled government test, it takes a…

A:

Q: 3. How long does it take to increase a cars velocity from 5 m/s to 15 m/s if the car can accelerate…

A:

Q: 2) (10 pts) Starting from a pillar, you run 200 m east at speed of 5.0 m/s, and then run 280 m west…

A: Average speed is the ratio of the total distance to the total time taken.  Average velocity is the…

Q: 1. A stone is dropped from the roof of a 100 m high building. Find a.) its final velocity in (meter…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 100 m Required: Final velocity as stone…

Q: 39 In 1967, New Zealander Burt Munro set the world record for an Indian motorcycle, on the…

A:

Q: The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub your toe…

A: distance = velocity x time

Q: *82. ao The leader of a bicycle race is traveling with a constant veloc- ity of +11.10 m/s and is…

A:

Q: 1- The SI unit of time is min. O true

A:

Q: 7. (II) You are driving home from school steadily at 95 km/h for 180 km. It then begins to rain and…

A: CONCEPT: We know,           Speed = distance/ time                  v = s/t Where 's' is the…

Q: Human reaction times are worsened by alcohol. How much further (in feet) would a drunk driver's car…

A: Given data The initial speed of the car is, u=50.0 mi/h The time of reaction in sober is ts=0.33 s…

Q: 4) A car travels for 2 hours at 5 m/s and for 20 minutes at 8 m/s. What is the average speed for…

A: Average speed is define as                       Average(v) = total distance total time  Given that…

Q: A car has a final velocity of 10 m/s and an acceleration of -2 m/s2. If it has been moving for 8…

A: The equation of motion is given by, v=u+at Here, v is the final velocity, u is the initial velocity,…

Q: A cannonball is fired at 171 (m/s), straight up in the air, by accident. Quickly realizing the…

A: Given: Initial velocity of first cannonball (u1) = 171 m/s. After sometime the second cannonball is…

Q: PROBLEM 1: A certain freely falling object, released from rest, requires 1.50 s to travel the last…

A:

Q: A car starts from 2.00 m/s and accelerates at 4.00 m/s2 for 6.0 s, it coasts for 5.00 s, and then…

A:

Q: 1. A stone is dropped from the roof of a high building. A second stone is dropped 1.30 sec. later.…

A:

Q: 1. A car travels 4.5 km in 10 minutes. What was its average velocity? ANSWER:

A: Find the average velocity of the car. vavg=∆dt Here, ∆d is the distance of the car travel and t is…

Q: A car, initially traveling at 30.0 km/hr, accelerates at the constant rate of 1.50 m/s². How far…

A:

Q: 2. A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car. If the…

A:

Q: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…

A: Two runners separated by 45m, 3.5m/s and 4.25m/s

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: A student witnesses a flash of lightning and then t = 1.5 s later the student hears the associated…

A: Given data:  The clap of thunder heard after (t) = 1.5 s Speed of sound wave (v) = 343 m/s Speed of…

Q: A police car gets passed by a car traveling at a constant speed of 150.0 km/hr.  The police car…

A: Speed of car (vc)=150 km/h=41.67 m/s Acceleration of police car from rest (a)=5 m/s2

Q: 3. A car is moving with constant speed of 80 km h-' when suddenly the driver sees a cat 50 m…

A: Given values: Initial speed of the car, u=80 km/h Final speed of the car, v= 0 m/s The distance of…

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: #6 A projectile is shot into the air following the path, h(x) = -3x2 + 6x - 5. At what time,…

A: Given equation-                          hx=-3x2+6x-5 For maximum height               1.…

Q: ou are driving home from school steadily at 98 km/h for 150 km . It then begins to rain and you slow…

A: Initially for 150 km the driving speed was 98 km/h. After the speed is 63 km /h. The total time…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –