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A mass m=9.7 kg is suspended from a pulley with radius r=0.081 meters and moment of inertia I=0.26 kg/m^3. The string is attached to the pulley so that the pulley rotates up or down without slipping on the pulley.
What is the net force of the system taking the block and pulley into consideration?
A 300-g aluminum cup contains 1000 g of water in thermal equilibrium with the cup at 65°C. At what rate is energy being removed
A ball is thrown upward at a speed v0 at an angle of 50.0° above the horizontal. It reaches a maximum height of 7.5 m. How high would this ball go if it were thrown straight upward at speed v0.
Ricardo walks 22.0 in a direction 50.0 west of north. Jane walks 20.0 in a direction 30.0 south of west. They after that stop and turn to face each other.
A child moves with a speed of 5.40 m/s when positioned 14.0 m from the center of a merry-go-round. Calculate the net force (in newtons) exerted on the child, whose mass is 26.0 kg
The position of a particle is given by x = 4.4 cos pt, where x is in meters and t is in seconds. Find the speed and acceleration of the particle when x = 2.3 m
A jet plane flying at a constant speed v at an altitude h = 10 km is being tracked by radar located at O directly below the line of flight. determine the value of r at this instant and the magnitude of the velocity v of the plane
one hundred meters of 2.0mm diameter wire has a resistance of 0.532 ohm. What is the resistivity of the material from which the wire is made
A monochromatic light source emits a wavelength of 490 nm in air. When passing through a liquid, What is the liquid's index of refraction
A projectile is red from level ground at an angle of 30 degree above the horizon. It hits the ground at t = 4 s. What is the magnitude of the initial velocity, v?
A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
A farsighted person has a near point that is 48.0 cm from her eyes. Find the focal length of the eyeglasses
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
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