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Q. A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.50 m/s collides head-on with a 0.84 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision?
Q. A hydraulic lift has pistons with areas 0.70 m^2 and 5.10 m^2, and they are at the equal height. With a 2.20 force on the smaller piston, how much mass can the larger piston support?
Find the surface tension force on water inside a tube and height to which the water rises in the tube.
A car is traveling at 29m/s when the driver spots a large pothole in the road the distance 37 m ahead. She immediately applies her brakes. If her acceleration is -6.60m/s2, does she manage to stop before reaching pothole.
What is Horizontal angle of projectile
A man takes his dog out for a walk. The dog has no legs and is dragged along sidewalk on a little sled (mass of dog + sled = 13.0kg). The sidewalk exerts a frictional force of 14.0N.
The He-Ne laser shines through a slit in the diffraction plate that is 50 cm from the screen. What fringe spacing would you expect for slits E and F if the stated slit spacing is correct? What difference must there be between the patters produced ..
FInd the quantities and volume of liquid in each tank and predicting the damage or danger caused in the process.
A 0.60 kg mass vibrates according to the equation where x is in meters and t is in seconds. find out (a) amplitude, (b) frequency, (c) total energy, and (d) kinetic energy and potential energies when x = 0.30 m.
An electric motor rotating a workshop grinding wheel at a rate of 93 rev/min is switched off. Assume the wheel has the constant negative angular acceleration of magnitude 2rad/s2.
What is mechanical energy dissipated by resistive forces
What is the coefficient of kinetic friction
What is the average speed of a rider on this Ferris wheel.
while the other terminal of the ammeter is connected to the other wire, ammeter shows that the current through the wire is 1 A. You then disconnect everything and travel to the other end of the telephone line, where you repeat the process and find ..
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