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A 4.8 Hz wave with an amplitude of 12 cm and a wavelength of 27.0 cm travels along a stretched horizontal string.
(a) How far does a given peak on the wave travel in a time interval of 0.49 s?
m
(b) How far does a knot on the string travel in the same time interval?
You are trying to lose weight by working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, What is the magnitude of the force that you exert on the handle
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
A cannonball (20kg) is shot from a cannon(200kg) with a velocity of 20m/s. what is the backwards velocity of the cannon
The atmospheric pressure at sea level is about 1.0 multiplied by 105 Pa. What is the force at sea level that air exerts on the top of the typical office desk, 159cm long and 86 cm wide?
The average speed of the atoms in a 1.6 g sample of helium gas is 651 m/s. Estimate the thermal energy of the sample
An ultracentrifuge having a diameter of 17.3 cm produces an extremely large acceleration of 2.71E+5 m/s2. estimate the angular speed of the centrifuge
question1a lunar landing craft approaches the moonrsquos surface. suppose that one-third of itsnbspweight is fuel that
A 19 g piece of Styrofoam carries a net charge of -8.5 µC, What is the charge per unit area on the plastic sheet
3 amperes of current flow through a wire. What net charge flows past a point in the wire each second
A person pulls a toboggan for a distance of 34.8 m along the snow with a rope directed 32.2 degrees; above the snow. The tension in the rope is 91.5 N. How much work is done on the toboggan
what is the rate of heat transfer from the plate to the air? If the free stream velocity if the air is doubled and the pressure are increased to 10 atm, what is the rate of heat transfer.
q1. a tiger leaps horizontally from a 5.9 m high rock with the speed of 3.4 ms. how far from the base of the rock wills
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