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A Rubber ball mass m movie at a speed of 1.0 m/s in the positive x direction hits another rubber ball of a mass 2m at rest. If the collision is elastic, what are the speeds and directions of the two balls moving afterwards.
A 10 kg crate (begins 3m off the ground) slides along a smooth horizontal frictionless surface at a constant speed of 4 m/s. What is the kinetic energy as it slides on the upper surface
If an airplane has airspeed 100 km/hr southwest but is traveling 140 km/hr south relative to the ground
A copper wire is 6.00 m long and has a cross-sectional area of 1.00 multiplied by 10-4 m2. what is the maximum torque that can act on it
Two turning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
A super tanker with the mass of 3.36 × 109 kg is moving with a constant velocity. Its engines generate a forward thrust of 4.11 × 105 N. Determine (a) magnitude of the resistive force exerted on the tanker by the water and (b) magnitude of the upward..
A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. What is the maximum height the blue ball reaches
a man drives a gar at a speed of 125.5 kmh. the man applies the breaks upon reaching this speed. if the combined mass
A coin is located 20.0 cm to the left of a converging lens (f = 13.0 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses.
A double-slit experiement has slit spacing 0.160 mm. What should be the slit distance L if the bright fringes are to be 4.70 mm apart when the slits are illuminated with 652 nm laser light
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
A 54.1-kg ice skater is standing at rest on a frozen lake. The friction between his skates and the surface of the ice is negligible. what is the magnitude of his recoil velocity
Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 {rm cm}. An electron is released from rest at a point midway between the charges and moves along the line connecting them. What is the electric potential energy of the..
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