Questions from College Physics

Q: A car is stopped for a traffic signal. When the light

A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.20 m/s in 0.832 s. What are the magnitudes of (a) The linear impulse and (b) Th...

Q: A 65.0-kg basketball player jumps vertically and leaves

A 65.0-kg basketball player jumps vertically and leaves the floor with a velocity of 1.80 m/s upward. (a) What impulse does the player experience? (b) What force does the floor exert on the player bef...

Q: The force shown in the force vs. time diagram in Figure

The force shown in the force vs. time diagram in Figure P6.15 acts on a 1.5-kg object. Find (a) The impulse of the force, (b) The final velocity of the object if it is initially at rest, and (c) The f...

Q: A bowling ball is suspended from the ceiling of a lecture hall

A bowling ball is suspended from the ceiling of a lecture hall by a strong cord. The ball is drawn away from its equilibrium position and released from rest at the tip of the demonstratorâ€...

Q: A force of magnitude Fx acting in the x - direction on

A force of magnitude Fx acting in the x - direction on a 2.00 - kg particle varies in time as shown in Figure P6.16. Find (a) The impulse of the force, (b) The final velocity of the particle if it is...

Q: The forces shown in the force vs. time diagram in Figure

The forces shown in the force vs. time diagram in Figure P6.17 act on a 1.5 - kg particle. Find (a) The impulse for the interval from t = 0 to t = 3.0 s and (b) The impulse for the interval from t = 0...

Q: A 3.00-kg steel ball strikes a massive wall

A 3.00-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (Fig. P6.18)....

Q: The front 1.20 m of a 1400-kg car

The front 1.20 m of a 1400-kg car is designed as a “crumple zone” that collapses to absorb the shock of a collision. If a car traveling 25.0 m/s stops uniformly in 1.20 m, (a) How long does the collis...

Q: A pitcher throws a 0.14-kg baseball toward the

A pitcher throws a 0.14-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just before it makes contact with the bat. The batter then hits the ball stra...

Q: High - speed stroboscopic photographs show that the head of a 2

High - speed stroboscopic photographs show that the head of a 2.00 x 102 - g golf club is traveling at 55.0 m/s just before it strikes a 46.0 - g golf ball at rest on a tee. After the collision, the c...