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When you lift a bowling ball with a force of 82 N, the ball accelerates upward with an acceleration a. If you life with a force of 92 Newton, the ball's acceleration is 2a.
(a) Evaluate the weight of the bowling ball?
(b) Evaluate the acceleration a.
Consider a copper wire (mass density 8.9 g/cc, resistivity 1.7E-8 ohm-m) with a diameter of 0.43 mm, How many meters long is this wire
If a capacitance meter applies a charge of 3.0 V across two plates and reads a capacitance of 30 pF, what is the charge on the plates
Fifty grams (50g) of hot water at 90 degrees C are mixed with 70g of cold water at 20 degrees C. What is the final temperature of the mixture when it reaches equilibrium
The light shining on a diffraction grating has a wavelength of 480 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 9.38°. How many lines per centimeter does the grating have?
If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 2.4 s
Unpolarized light with intensity I0 is incident on two polarizing filters. The axis of the first filter makes an angle of ? = 60 ? with the vertical, What is the intensity of the light after it has passed through the second filter
A train 400m long is moving on a straight track with a speed of 84.30km/h. The engineer applies the brakes at the crossing and later the last car passes crossing with the speed of 17.7 km/h. suppose constant acceleration; conclude how long the tra..
A simple harmonic oscillator consists of a block of mass 1.83 kg attached to a spring of spring constant 100 N/m. What was the velocity of the block at t = 0 s
A 3.0m long rigid beam with a mass of 130kg is supported at each end. How much upward force does each support exert on the beam
A spacecraft is in a circular orbit about the moon, 1.86 x105 m above its surface. The speed of the spacecraft is1460 m/s, and the radius of the moon is 1.74 x 106 m. If the moon were a smooth, reflective surface, what would be the apparent speed of ..
Two blocks of masses m1 = 1.90 kg and m2 = 5.18 kg are each released from rest at a height of h = 5.15 m on a frictionless track, find the maximum height to which m1 rises after the collision
pivot without friction about the point O. This pendulum is released from rest in a horizontal position, How far does the block move before coming to rest
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