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A block with a mass of 5.2 kilogram is held in equilibrium on a frictionless incline of 32o by the horizontal of f. The acceleration of gravity is 9.81 m/s2. Determine what is the magnitude of Force?
Answer in units of Newton's.
An object at rest in a coordinate frame suddenly explodes into three parts of equal mass m. Two parts move away at right angles to each other and with equal speeds |v|.
you swing a 1.65-kg rock tied to a rope in a vertical circle of radius 0.75 m. when the rock reaches the top its speed
after leaving the end of a ski ramp a ski jumper lands downhill at a point that is displaced 60.4 m horizontally from
Objects with masses of 100 kg and a 400 kg are separated with 0.340 m. Find the net gravitational force exerted by these objects on a 63.0 kg object placed midway among them. (Answer in Newton’s N)
A sinusoidal wave traveling on a string has a period of 0.21s, a wavelength of 32cm, and an amplitude of 5.0cm. compute the speed of this wave
What is the energy in eV of (a) a 100 MHz radio-frequency photon, (b) a visible light photon with a wavelength of 500 nm, and (c) an X-ray photon with a wavelength of 0.10 nm?
LIght of wavelength 587.5 nm illuminates a single slit. THe distance from teh single slit to the screen is given to be 1.5m. what is the angle from the central peak to the fourth minima
a ball of mass 0.150 kg is dropped from rest from a height of1.25m. It rebounds from the floor to reach a height of 0.960m. What impulse was given to the ball by the floor
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
The earth's orbit is nearly circular, but not quite.The radial motion oscillates in a narrow range around the minimum of the effective potential Ueff.We call this radius r*. If this range is narrow enough, Ueff may be approximated as A(r-r*)^2 - B..
A 115 V fish-tank heater is rated at 120 W, Calculate the current through the heater when it is operating
a skier starts from rest at the top of a hill. the skier coasts down the hill and up a second hill as the drawing
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