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A coin is tossed upward with an initial speed of 7.5 m/s2. In the absence of air resistance, how high does the coin go above the point of release? What is the total time it is in the air before returning yo it's releasing point?
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
An object of mass m1 = 2.10 kg placed on a frictionless, Draw free-body diagrams of both objects, This answer has not been graded yet
A meter stick, sitting on a frictionless table top, is struck by a wad of clay with a force, F = 4.0 N at an angle. The meter stick will rotate in the plane of the table. Conclude the magnitude of the torque about the axis of rotation located at t..
A 26 kg gun is standing on a frictionless surface. The gun fires a .0573 kg bullet with a muzzle velocity of 323 m/s. The positive direction is that of the bullet immediately after the gun was fired. compute the momentum of the gun immedately afte..
Illustrate what are the nominal and effective interest rates? Also determine the effective interest rate that a typical credit card issuer charges today.
A vertical wall (5.4 m 2.4 m) in a house faces due east. A uniform electric field has a magnitude of 164 N/C. This field is parallel to the ground and points 32° north of east. What is the electric flux through the wall?
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to the height of 4.0 m.
A 50 kg box is being pushed a distance of 7.0 m across the floor by a force whose magnitude is 164 N. The force is parallel to the displacement of the box.
An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
On December 3 at 11 pm you look toward the eastern horizon and see the bright star Procyon rising. At approximately what time would Procyon rise one week later, on December 9.
Two crates, of mass 75.0 kg and 109 kg, are in contact and at rest on a horizontal surface. A 732 N force is exerted on the 75.0 kg crate. What is the force the each crate exerts on the other.
What is the radius r of the iron ball?
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