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A simple pendulum of length 2.5 m creates 5.0 complete swings in 16s. What is the acceleration of gravity at the location of the pendulum?
Water is boiling in a pan at sea level on a stove. During 10 minutes of boiling, it is observed that 200 grams of water has evaporated. Then the rate of heat transfer to the water is what is kJ/min?
A car travels at a constant speed around a circular track whose radius is2.2km. The car goes once around the track in290s. What is the magnitude of the centripetal acceleration of the car?
Two bars of identical mass are at 29 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/ (kg • C°).
What is the neutron's kinetic energy and Find the momentum of a 25.0 keV x-ray photon
A flywheel in the form of a uniformly thick disk of radius 1.53 m, has a mass of 12.1 kg and spins counterclockwise at 355 rpm. Calculate the constant torque required to stop it in 1.00 min
Mark and Clark are identical twins at the amusement park riding on the bumper cars. Both boys have the same mass, 85kg. The cars are identical with a mass of 120 kg.
A train with a constant velocity of +28.6 m/s approachesa small town. The operator applies the break, reducing the trainsvelocity to +11.4 m/s. what elapse time does operator apply break
A wire of resistance 7.0 isconnected to a battery whose emf is 2.0 V and whose internal resistance is 1.0. How much energy appears in the wire as thermal energy in that time
A 0.60kg basketball is dropped out of a window that is 6.1m above the ground. The ball is caught by a person whose hands are 1.5m above the ground. how much work is done on the ball by its weight
A mass m is attached to an ideal cord of length L (figure at left). What is the tension in the cord at that moment
water flows through a horizomtal tube of length 25cm and internal diameter 1 mm under a constant head of the liquid
An airplane with a speed of 76.6 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal, Relative to the ground, determine the angle of the velocity vector of the package just before impact
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