1. A weather forecaster reported that a typhoon heading northwest is moving at 115 kilometers in 1 hour. Which of the following describes the velocity of the typhoon? A. 115 km B. 115 km NW C. 115 km/h D. 115 km/h NW

Q: find the x and y components of each of the following vectors.

A: Given data:  Vector A Magnitude of vector (A) = 12 m Angle (θ) = 30°,above the positive x-axis Requi...

Q: A skateboarder is attempting to make a circular arc of radius r = 19 m in a parking lot. The total m...

A: mass = 95 kg coefficient of static friction = 0.66 radius (r) = 19 m   

Q: Starting from rest, a wheel undergoes a constant acceleration for 10 seconds. When t = 3.0 s, the an...

A:

Q: This is the vx-tgraph for an object moving along the x-axis. Which of the following descriptions of ...

A:

Q: motorcycle is traveling at a constant speed v when it encounters a circular hill of radius r = 590 m...

A:

Q: Three point charges, two positive and one negative, each having a magnitude of 20 µC are placed at t...

A:

Q: 2. The sound intensity is 3X10°w/m² at a distance of 10m away from the source. How much power is emi...

A: The intensity at a point is defined as the power per unit area . I=P/A So P= IA

Q: How far should a cellist move her finger to adjust a string's tone from an out-of-tune 449.9 Hz to a...

A:

Q: 2. (i) Determine the magnitude and direction of net magnetic field, Bnet at point P which is located...

A:

Q: A particle is observed to start at rest and accelerates at a= 30 +2t where t is in seconds, until it...

A:

Q: The figure shows a reversible cycle through which 1.09 mol of a monatomic ideal gas is taken. Assume...

A:

Q: The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion kmkm, is meant to orbit the a...

A: height (h) = 15 km dimensions of asteroid Eros = 40 km × 6km × 6km density of Eros = 2300 kgm3  

Q: Given data: Force%3D20 N Displacemnt=12 m Find work done

A: Given data:  Force (F) = 20 N Displacement (d) = 12 m Required: Work done 

Q: A ball is thrown upward at a velocity of 35 m/s. What is its velocity after 5.0 s, assuming negligib...

A: Given: The itnial velocity of the object is 35 m/s. The time interval is 5 s.    

Q: A projectile is shot from the edge of a cliff 100 m above ground with an initial speed of 100 m/s at...

A: Given data:  Initial velocity (v0) = 100 m/s Angle (θ) = 30° with the horizontal Required: Time take...

Q: 31. As an object slides across a rough horizontal surface, what happens to the object's gravitationa...

A:

Q: 2. (i) Determine the magnitude and direction of net magnetic field, Bnet at point P which is located...

A:

Q: Find the pressure at 13 KM in standard atmospheric conditions. *

A:

Q: A solenoid 10.0 cm in diameter and 68.6 cm long is made from copper wire of diameter 0.100 cm, with ...

A:

Q: what is the direct relationship between temperature and speed of sound?

A: There is a simple relationship between temperature and the speed of sound. The speed of sound increa...

Q: Consider the circuit shown in the figure. A short time after closing the switch, the charge on the c...

A: Given: The time constant is 17.7 s. The final charge on the capacitor is 90% of the itnial charge.

Q: Describe the principle of the seismometer.

A: Seismometer is ground-motion detection sensor which fixed in seismograph. It is coupled with a recor...

Q: answer neatly and whole solution  a car is travelling due east at a rate of 36.2 kph and a train is ...

A: Given  Speed of car = 36.2 kph = 36.2 × 1000/ 3600    =10.05 m /s   Speed of train =74.7 kph = 74.7 ...

Q: has a mass of 1820 kg and is orbiting at an elevation of 65.0 km from the surface, what is the gravi...

A: Given: The mass of the moon is 7.348x1022 kg. The mass of the LRO is 1820 kg. The distance of the LR...

Q: Identical point charges Q are placed at each of the four corners of a 3.0 m x 4.0 m rectangle. If Q ...

A:

Q: How does adiabatic temperature change lead to a change in relative humidity?

A:

Q: In any charging process what happens to the charge? * O created O transferred O destroyed O none of ...

A: Given  In any charging process, what happens to the charge??

Q: The light from a laser has a wavelength of 500nm. What is the energy of one photon?

A: Wavelength =500nm=500×10^-9m

Q: Three equal charges of +3C are arranged in a straight line in the sequence of Q1, Q2 and Q3. The dis...

A: Given data- Three equal charges Q1=Q2=Q3= +3C Distance between charge 1 and 2 is =3/4 meters Distanc...

Q: a) Find the current flowing through the battery immediately after the switch is closed. b) Find the ...

A:

Q: A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0...

A:

Q: a gas vessel contains oxygen gas at a pressure of 15 atm and a temperature of 25C if the volume of t...

A: Given: The pressure of the gas is 15 atm. The volume of the gas is 15 L. The temperature of the gas ...

Q: (2-10) A charge q = -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +4 µC is located at (4...

A: Given: q1=-5 μC= -5×10-6 C rq1=(0,3) q2=4 μC= 4×10-6 C rq2=(4.5,3) To find: unit vector (r2^) of the...

Q: 5. A 1000N block was pushed by a force P of 1500N up an incline upward to the right at a slope of 3 ...

A: According to work energy theorem  Work done = change in kinetic energy 

Q: Δ AV et is the dielectric constant of the inserted material? you identify the dielectric? nylon раpe...

A: We know that we have given that the voltage across an air-filled parallel plate capacitor is measure...

Q: A15 gram gun fires bullet at a muzzle velocity of 600 m/s. What is the recoil velocity of the gun?

A:

Q: At the top of a frictionless inclined plane, a 0.50-kilogram block of ice possesses 6.0 joules of gr...

A:    

Q: Diagram the forces acting on the crate.: B.) Pulling a crate at an angle A.) Pulling a crate ... 30°

A: According to question we need to draw the free body diagram.

Q: 3. What is the frequency of a photon that has a wavelength of 2.5 x 107 m?

A:

Q: -- A block on a horizontal frictionless surface is connected to an ideal spring (spring constant k) ...

A: mass of block = m Spring constant of the spring = k Amplitude = A Let the velocity = v Let the accel...

Q: law of planetary motion tells us about the constant variable in planetary orbits in line with the pr...

A: Keplers law of planetary motion tells us about the constant variable in planetary orbits in line wit...

Q: 11. Four capacitors are connected as shown in Figure P25.11. (a) Find the equivalent capacitance bet...

A:

Q: What is the relation of heat transfer with the air conditioning system?

A: According to the second low of thermodynamics heat transfer takes place from a hotter body to a cold...

Q: 2. A certain streched wire 120 cm long and 2.4 mm in diameter is fastened to a point in the ceiling....

A:

Q: Match the distance versus time graph to the description of motion. - 1. slope is zero a. moving slow...

A: (1) When the slope in a distance time graph is zero it implies that the object is stationary i.e obj...

Q: The electric force between two point charges with a magnitude of +800nC and 900nC is 15N. How far ap...

A:

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.0 m...

A: initial velocity (u) = 5 msmaximum height above the right side of the ramp = h   

Q: 1. A negatively charged 1.3 C metal object is in contact with a neutral metal sphere. After contact,...

A:

Q: 12. A stone is dropped into a deep well and is heard to hit the water 4.41 s after being dropped. De...

A:

Q: A horizontal force of magnitude F = 47.6 N pushes on a block of mass m = 6.08 kg. The block is on a ...

A:

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.