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A person was dropped off a bridge. The person weighs 588N and lands with a speed of 22 m/s. How high are the bridge and how much kinetic energy does the person produce before hitting the ground?
Two forces parallel to the x axis do 19.0 J of work on a small tray while moving it 17.6 m in the x direction across a gym floor, What is the other force
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 114, Find the maximum speed that the car can have without slipping
a car starts from the bottom of a hill with a slope of 10 degrees and travels with a constant velocity of 20m/s when its engine fails. Calculate the total time the car is in motion
Two long, parallel wires are separated by a distance of 3.40. The force per unit length that each wire exerts on the other is 3.20×10-5, and the wires repel each other. The current in one wire is 0.6690.
A radioactive isotope has an activity of 8.09 mCi. After 3.05 hours the activity is 6.31 mCi. What is the half-life of the isotope?
A cart of mass m1=10 kg slides down a frictionless ramp and is made to collide with a second mass m2=20kg, which then heads into a perpendicular loop of radius .25m. The carts stick together after the collision.
A steel ball is tossed into the ocean and comes to rest at a depth of 2.20 kilometer. Calculate its fractional change in volume
The electric field everywhere on the surface of a thinspherical shell of radius 0.720 m is measured to be equal to 890 N/C andpoints radially toward the center of the sphere
assume that a 6 volt energy source is in a circuit that has a resistance of 10 ohms. determine the current and power.
A movable piston having a mass of 7 kg and a cross-sectional area of 6 cm2 traps 0.17 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.01..
A mass m of 0.16 kg is attached to the end of a spring andreleased from rest at t = 0s from an extended positionxmax = 32 cm. Find themaximum speed of the mass
The image behind a convex mirror (radius of curvature = 76.0 cm) is located 32.0 cm from the mirror. Where is the object located (give the distance to the mirror)
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