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A ball is thrown straight up with a velocity of 18.0 m/s from the edge of the top of a building 30 meters tall.
A) How long does it take for the ball to strike the ground at the bottom of the building?
B) What is the balls velocity just before striking the ground?
An extension cord made of two wires of diameter 0.129 {rm cm} (no. 16 copper wire) and of length 1.5 m (5 ft) is connected to an electric heater which draws 13.5 A on a 120-{rm V} line. How much power is dissipated in the cord.
A satellite with a mass of 310 kg moves in a circular orbit 3.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
Determine the greatest vertical displacement of the pendulum
A 0.75 mm diameter copper wire carries a small current of 3.5 µA. What is the drift speed of the electrons in the wire
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
Two blocks (M1 = 2.75 kg and M2 = 6.49 kg) are in contact on a frictionless, horizontal tabletop. What is the contact force between the blocks
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
A golf ball strikes a hard, smooth floor at an angle of θ = 31.6°, rebounds at the same angle. The mass of the ball is 0.043 kg, and its speed is 45m/s just before and after striking the floor. What is the magnitude of impulse applied to the golf bal..
A(n) 60-g ice cube at 0°C is placed in 730 g of water at 28°C. What is the final temperature of the mixture? °C
How much mass is converted to energy in H fusion and What do exoplanets (especially Hot Jupiters) tell us about planet behavior!
Ilustrate what is the magnitude of the torque about his shoulder if he holds his arm in each of the following ways? Straight out to his side, parallel to the floor.
The shaft shown below has a solid round cross-section & is supported by bearing at A & B. Find the location of maximum bending stress in the shaft.
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