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A ball of mass 0.1 kilogram is dropped from a height 11 meter above the surface of a triangular block of mass M=1 kilogram. The triangular block is at rest on frictionless table and the kinetic energy is conserved during the collision. Assume the ball moves horizontally immediately after it hits the block. Estimate what is the speed of the block after collision?
Three resistors with values of 2.7 , 3.8 , and 6.4 , respectively are connected in parallel in a circuit with a 24 V battery. How much current is delivered to the circuit by the battery
A piece of balsa wood with density 0.50g/cm^3 is released under water. What is the initial acceleration?? Repeat for a piece of maple with density 0.760 g/cm^3? Repeat for a ping-pong ball with the average density of 0.127 g/cm^3.
uniformly charged and has a total charge
A block with a mass of 0.800 kg is connected to a spring, displaced in the positive direction a distance of 50.0 cm from the equilibrium, what is the block's period of oscillation
two point charges are placed along the horizontal axis with the following values 3.0 microc at x0 and -7.0 microc at
A frictionless, vertical wire has two metal beads on it. The beads are held 30 cm apart by horizontal magnets, If the two beads each have a mass of 49.7 g, what is the kinetic energy of the second immediately after impact
A magnetic field is directed at a 40.0 angle to a plane circular loop of wire with a radius of 26.8 cm. a) draw a diagram showing the wire loop, what is the induced emf in the wire loop
The froghopper, Philaenus spumarius, holds the world record for insect jumps. What horizontal distance did the froghopper cover for this world-record leap
a rock is thrown downward from the top of a building 168 ft high at an angle of 60 with the horizontal. how far from the base will the rock land
4. A ball is kicked toward a fence from a point 32 meters away. The velocity of the ball as it leaves the kicker's foot is 24 m/s at an angle of 37 degrees above the horizontal. The top of the fence is 2.0 meters high. Assuming air resistan..
question1a hunter wishes to cross a river that is 1.4 km wide and that flows with a speed of 7 kmh. the hunter uses a
Find the force exerted by the plane on the pilot
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