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A 22 gram bullet strikes a 0.85 kilogram block attached to a fixed horizontal spring whose spring constant is 6.8x103 N/m and sets it into vibration with amplitude of 25 centimeter. Find the speed of the bullet before impact if the two objects move together after impact?
Water flows into a bucket at the rate of 0.0005 m^3 / s. Thebuckets has a hole in the bottom of area 2.5 square cm. How high above the bottom of the bucket will the water rise
A tennis ball is struck at the base line of the court, 11.5 m from the net. The ball is given an initialvelocity with a horizontal component equal to 27.0 m/s at an initial elevation of 1.21 m.
an explorer is caught in a whiteout in which the snowfall is so thick that the ground cannot be distinguished from the
A storage tank 31 m high is filled with pure water. Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
An investigation is performed using a apparatus. Electrons are accelerated from rest from the cathode by an electric potential difference. The cathode and anode are 2.00 x 10 ^-2 cm apart. The electrons reach a speed of 2.10 x 10^7 m/s as they pas..
At one instant, a 19.0-kg sled is moving over a horizontal surface of snow at 5.00 m/s. find the magnitude of the average friction force acting on the sled while it was moving
A 5.81 10-5 H solenoid is constructed by wrapping 70 turns of wire around a cylinder with a cross-sectional area of 8.10 10-4 m2, Determine the change in the length of the solenoid
A 4.00 kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 15.0 N is required to hold the object at rest, Find the maximum acceleration of the object
An explosive charge imparts a velocity of 10,350 feet per second to a mortar as it exits the muzzle of mortar. If the mortar is elevated at 80 degrees what are the horizontal and vertical velocities on the mortar shell.
a battery has an emf and an internal resistance r. when the battery is connected to a 25omega resistor the current
A wave on a Slinky has a frequency of 1.69 Hz. It takes 4.1 s to travel the length of the Slinky (0.29 m). What is the wavelength.
A photon of wavelength 0.73130 nm strikes a free electron that is initially at rest. The photon is scattered straight backward. What is the speed of the recoil electron after the collision?
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