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two blocks connected by a rod going down a 30.0 degree slope, bigger mass 3.30kg is first and the smaller 1.65kg is following. coefficiant of kinetic friction is 0.226 for smaller block and 0.113 for larger block. calculate the common acceleration of the blocks?
A tennis player swings her 1000 g racket with a speed of 15.0m/s . She hits a 60 g tennis ball that was approaching her at a speed of 15.0m/s. compute the average force that the racket exerts on the ball
An astronaut on the Moon drops a rock straight downward from a height of 1.50m. what is the speed of the rock just before it lands
A coin is placed 10.1 cm from the axis of a rotating turntable of variable speed. What is the speed ( in rpm) of the turntable when the coin slides off
Light of wavelength 700 nm is incident on the face of a fused quartz prism (n = 1.458 at 700 nm) at an incidence angle of 72.4°. Calculate the angle of refraction at the first surface
A cart with mass 380 g moving on a frictionless linear air track at an initial speed of 0.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction ..
Determine the tension in an elevator cable if the 2000 kg elevator is accelerating upward with an acceleration of 1.8 m/s^2
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
The period of a macroscopic pendulum made with a mass of 10 g suspended from a massless string 50 cm long is 1.42 s. Compute the ground-state (zero-point) energy
A spring is used to propel a 0.400-kg hockey puck across level (frictionless) ice that becomes a rough (not frictionless) ramp inclined at 27°. If the puck reaches a maximum vertical height of 14 cm on the ramp, what distance does it travel along t..
A raindrop of mass 3.35 10 -5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle. As it falls 100 m,what is the work done on the raindrop (a) by the gravitational force and (b) by air..
The circuit shown in the drawing is constructed with six identical resistors and an ideal battery. When the resistor R4 is removed from the circuit, Determine the resistance of each resistor
A cricket ball is bowled at a speed of 144 km/hr. suppose the ball diameter is 70 mm and a drag coefficient 0.45, estimate the drag force in newtons which would be acting on the ball.
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