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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 before the jump?
(c) What is the total average force exerted by the floor on the player if the player is in contact with the floor for 0.450 s during the jump?
bowler uses a 5-kg bowling ball. What is the weight of the bowling ball, What is the momentum of the ball
an electric dipole has charges of +- 4.55pC that are seperate by 6.00cm. The dipole lies on the x axis and its center is at the origin. Determine the torque on the dipole about its center of mass
Heat and physical activity. In a bench press, a weight lifter lifts 132kg 41cm. In so doing, the athlete expends 1.2kJ. What's the heat flow involved in this process
Find the positions of the two masses at any subsequent time t (before either mass returns to the table) and describe the motion.
The archerfish successfully shoots down the resting insect by spitting water drops at the same angle 60^circ above the surface and with the same initial speed v as before. At what height h above the surface was the insect.
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
Calculate the linear acceleration of a car, the 0.340 m radius tires of which have an angular acceleration of 7.0 rad/s2. Assume no slippage
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t = 0, What is the final charge on the capacitor
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. What is the charge before and after the Mylar is withdrawn
An object starts from the origin and goes along the x-axis to x = 10 m in 2 s, stops for 5.5 s, and then travels at v = -4 m/s for 2.5 s
A ray of light is incident on glass-air interface at the critical angle of 41 deg., what is the refracted angle, What is the strength of a lens which forms an image 24 cm from the lens when the object is 40 cm away
In a time of T seconds, a motorcycle can accelerate from rest to the speed v. Determine the speed of the motorcycle (in terms of v) 2T after starting
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