Find length of meterstick as measured in frame classical
A meterstick is at rest in an inertial frame S2. If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics.
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The distance between two consecutive nodes of a standing wave is 24.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.84 times every 8.38 s. Find the velocity of the wave.
A block with a mass of 10g is pulled at a constant speed across a horizontal tabletop with a spring scale. the scale reads 65.3N. calculate the coefficient of kinetic friction.
A curve of radius 60 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely make the curve?
Two charged pith balls are suspended on very light 10.5 cm strings. Each has a mass 11.0g. In equilibrium, the total angle between the strings is 35 degrees. Draw a free body diagram for one of the pith balls and clearly label all forces with magn
If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics.
He throws the ball in your direction, and it floats toward you at a lazy 20 {rm m/s}. What is the speed of the truck?
Three charges are arranged in a square (along with point P) with sides equal to 12.5cm as in figure below. Calculate the electric field (magnitude and direction) at point P due to the three charges. Next, calculate the force (magnitude and directi
A grocery cart with mass of 18 kg is pushed at a constant speed along an aisle by a force F = 12 N. the applied force acts at a 20 degree angle to the horizontal. find the work done by each of the forces on the cart if the aisle is 15 m long.
The coefficient of kinetic friction between each brake pad and the rim is μk = 0.85. What is the magnitude of the normal force that each brake pad applies to the rim?
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