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A 0.235-kg volleyball approaches a player horizontally with a speed of 14.9 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s.
(a) What impulse is delivered to the ball by the player?
kg·m/s
(b) If the player's fist is in contact with the ball for 0.0600 s, find the magnitude of the average force exerted on the player's fist.
N
An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
A nonconducting sphere contains positive charge distributed uniformly throughout its volume. Which statements about the potential due to this sphere are true?
A movie stuntwoman drops from a helicopter that is 29.0 above ground and is moving with a constant velocity whose components are 8.00 upward and 18.0 horizontal and toward south. You can ignore air resistance.Where on the ground (relative to the p..
Three capacitors are arranged. C1 has a capacitance of 3 pF, C2 has a capacitance of 6 pF, and C3 has a capacitance of 9 pF. Find out the voltage drop across the entire arrangement if the voltage drop across C2 is 249 V.
A small glass bead has been charged to + 30{rm nC} . a)What is the magnitude of the acceleration of a proton that is 3.0{rm cm} from the center of the bead? b)What is the magnitude of the acceleration of an electron that is 3.0{rm cm} from the cen..
What is the initial (horizontal) velocity of the ball.
During the Millikan experiment used to determine the charge on the electron, a charged polystyrene microsphere is released in still air in a known vertical electric field, How many excess electrons are on the sphere
A 0.9 inch tall clock is 24 cm in front of a diverging lens which has a focal length of -33.5 cm. Paying attention to sign, answer the following questions. a. What is the image distance? cm b. What is the image's height?
A young boy swings a yo-yo horizontally above his head at an angular acceleration of 0.32 rad/s^2. If the tangential acceleration of the yo-yo at the end of the string is 0.15 m/s^2, how long is string.
A projector lens having a focal length of 15 cm puts an image of a 35 mm slide on a screen 4 m away, How large is the image of the slide on the screen
The cohesive energy of a sodium chloride crystal is 6eV per ion pair, Neglecting the energy of repulsion, estimate the interionic spacing
A piston, A, as shown below, has a diameter of 0.81 cm. A second piston, B has a diameter of 3.9 cm. conclude the force, F, necessary to support the 508.0 N weights in the absence of friction.
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