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You launch a model rocket from ground level. It moves directly upward with a constant acceleration of 77.5 m/s2 for 1.10 seconds, at which point it runs out of fuel. Assuming air resistance on the rocket is negligible, what is the maximum altitude (above the ground) achieved by the rocket?
X - rays with an energy of 100 KeV Compton scattering from a target. If the scattered rays are detected at 40° relative to the incident rays, find a) The compton wavelength shift ?λ at this angle. b) The energy of the scattered x- ray.
If a 350 kg object is moving with constant velocity 22 m/s due east, then what is the magnitude of the net force acting on the object
a physics professor demonstrates the doppler effect by tying a 550 hz sound generator to a 1.0-m-long rope and whirling
two particles one with charge -1.25 oc and one with charge 1.87 ?c are 8.09 centimeters apart. what is the magnitude of
Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the ground. At what height does the collision occur
(a) If the air temperature remains at -10?C, ?nd the rate in cm per hour at which ice is added to the layer. The thermal conductivity of ice is 2.18W/m·K. (b) Find the time that the ice layer reaches a thickness of 20 cm.
You have a concave lens whose focal length has an absolute value of 8 cm and several convex lenses with f=5.0 cm, 12 cm, 15 cm, and 20 cm. determine the focal length of the concave lens
A ball is thrown horizontally from an elevation of 140.0 m above ground with a speed of 20.0m/s. How long before it hits the ground and where will it be with respect to the starting point once it lands
In our electrostatics lab, we charge a metal sphere to 1000 V. What is the electric potential due to the charged sphere at a point 1.00 cm from its surface
A subway train starts from rest at a station and accelerates at a rate of 1.56m/s2 for 13.7s, Find the total distance covered
A fruit fly 2.16 mm long is examined with a simple magnifier. What is the focal length of the magnifier
A square coil ( length of side = 24 cm) of wire is placed in a uniform magnetic field that makes an angle of 30 degree with the normal to the plane of the coil. what is the magnitude of the emf induced in the coil
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