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1) A golf ball of mass 0.047 kg is hit off the tee at a speed of 40.2 m/s. The golf club was in contact with the ball for 3.29E-3 s.
Find the impulse imparted to the golf ball.
Find the average force exerted on the ball by the golf club.
2) A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.760 s by a head-on tackle by a tackler running due west.
Calculate the original momentum of the fullback.
Calculate the impulse exerted on the fullback.
Calculate the impulse exerted on the tackler.
Calculate the average force exerted on the tackler.
Assume the mass density of Earth from the center to r= R_cm (radius of the core mantle boundary) is d_cm and from R_cm until the surface r=R_e the density is d_e. Using these densities, determine the gravitational potential energy of the Earth
A glass sheet 1.10 ?m thick is suspended in air. Calculate the minimum value of the index of refraction of the glass sheet that produces this effect
A 4.4kg ball with a velocity of 5.0m/s in the+x-direction collides head-on elastically with a stationary 2.5kg ball. What is the speed of the second ball after the collision
A 10-cm-diameter parallel-plate capacitor has a 1.0 mmspacing. What is the magnetic field strength on the axis
Oil is being loaded into a barge through a 150 mm diameter pipe whose exit is at an angle ? = 60? to the horizontal. Determine the force exerted by the barge on the rope
A light beam having a wavelength of 470. nm in air is directed into glycerine (n = 1.47). What is the frequency of the light in the glycerine
A meterstick moves past you at great speed. Its motion relative to you is parallel to its long axis. at what speed is the meterstick moving relative to you
Two 27.0 cm focal-length converging lenses are placed 16.5 cm apart. Where will the final image formed by the second lens be located
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
An ideal refrigerator does 130 J of work to remove 655 J of heat from its cold compartment during each cycle. How much heat per cycle is exhausted to the kitchen
A truck is traveling at 11.4 m/s down a hill when the brakes on all four wheels lock. How far does the truck skid before coming to a stop
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, where R = 1.80k? , and L = 420mH?, What is the phase angle between voltage and current
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