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A typical ten-pound car wheel has a moment of inertia of about 0.35kg m^2. The wheel rotates about the axle at a constant angular speed making 45.0 full revolutions in a time interval of 5.00 .
What is the rotational kinetic energy of the rotating wheel?
q1. a coin is placed 12.0 rm cm from the axis of a rotating turntable of variable speed. when the speed of the
suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C.
A 1.80 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats.
A 1.5kg ball and a 3.0kg ball are connected by a 3.0m long rigid, massless rod. What torque will bring the balls to a halt
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. calculate the magnitude of the force on the charge
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position
What are angles of refraction
A propeller is modeled as five identical uniform rods extending radially from its axis. what is its rotational kinetic energy
find the tangential and centripetal components of the net force exerted on a car (by the ground) when its speed is 38 m/s, and it has accelerated to this speed from rest in 9.5 s on a curve of radius 370 m. The car's mass is 1000 kg.
Two capacitors, C1 = 2x10^-6 F and C2 = 4x10^-6 F, are connected in series with an 18 V battery. Find the final charge and potential difference for each capacitor
An observation satellite orbits the planet at a height of 1000. What is the projectile's speed as it passes the satellite
A boat moves through the water with two forces acting on it. One is a 2149 N forward push by the motor on the propeller, What is the acceleration of the 1156 kg boat
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