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A daredevil on a motorcycle leaves the end of a ramp with a speed of 30.5 m/s as in the figure below. If his speed is 28.7 m/s when he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance.
m
A solenoid 300 turns having a length of 25.0 cm and a diameter of 10.0 cm has a current of 0.290 A.
A massless spring with spring constant 22.10 N/m hangs vertically. A body of mass 0.280 kg is attached to its free end and then released. Assume that the spring was unstretched before body was released. How far below the initial position does the ..
make Use of a 9.81 m/s^2 for the magnitude of the acceleration due to gravity.
If the air in the tube is replaced with a different gas, the frequency of the fundamental standing wave changes to 60·Hz. What is the speed of sound in this new gas
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
To keep a room at a comfortable 16.0?C , a Carnot heat pump does 310J of work and supplies it with 3840J of heat. How much heat is removed from the outside air by the heat pump
Suppose the total power of a laser beam (optical output power) is 0.5 x 10-3 W. what is the average intensity of light within the square
The "Giant Swing" at a county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end, Find the time of one revolution of the swing if the cable supporting a seat makes an angle of 30.0? with the vertical
Water flows in a pipe that has a 4 ft diameter and the following hypothetical velocity distribution: what is the discharge in cubic feet per second
Assume that the speed of light in a vacuum has the hypothetical value of 7.88m/s. What is the distance covered, according to the catcher who is standing at home plate
A simple 1.3m long pendulum oscillates at a location where g=9.81. How many complete oscillations does it make in 4.00min
A neutron star and a black hole are 2.900e+12 m from each other at a certain point in their orbit. What is the magnitude of the gravitational attraction between the two
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