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A rocket is fired at a speed of 93.0 m/s from ground level, at an angle of 61.0 ° above the horizontal. The rocket is fired toward an 46.6-m high wall, which is located 33.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its engines shut down and the rocket coasts. By how much does the rocket clear the top of the wall?
A laser beam is incident at an angle of 44.0° to the vertical onto a solution of corn syrup in water. Suppose the light is red, with wavelength 632.8 nm in a vacuum. Find its wavelength in the solution
a charge of 3.10?c is held fixed at the origin. a second charge of 3.10?c is released from rest at the position 1.25 m
A 0.54-kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block
For a research project, a student needs a solenoid that produces an interior magnetic field of 0.0500 T. Determine the number of layers of wire needed
A motorcycle has a constant speed of 30.0 m/s as it passes over the top of a hill whoseradius of curvature is 118 m. Find the magnitude of the normal force that acts on the cycle
An electric power plant generates electricity @ 22 kV and 100 A. The voltage is stepped up to 240 kV before being transmitted to a city 15 km away over a copper wire that has a radius of 2 mm. Energy is lost in heating the wire during transmission. I..
Two charged dust particles exert a force of 4.30×10-2 N on each other. What would be the force if they are moved so they are only one-sixth as far apart.
There are two capacitors of capacitance 5.0uF and 8.0uF are connected in series. Find the equivalent capacitance of the network and the charge on each plate of the capacitors
Two coils of wire are placed close together. Initially, a current of 4.70 A exists in one of the coils, but there is no current in the other. What is the mutual inductance of the two-coil system
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 that is traveling horizontally at 11.5 . Ola..
A 7.00-kg block of ice, released fromrest at the top of a 1.75-m-longfrictionless ramp, slides downhill, reaching a speed 2.25 m/s of at the bottom. What is the angle between the ramp and thehorizontal?
A student is reading material written on a blackboard. Her contact lenses have a refractive power of 57.50 diopters; the lens-to-retina distance is 1.750 cm. How far (in meters) is the blackboard from her eyes
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