What is the rotational kinetic energy of the structure

Reference no: EM13545755

A 0.80 kg ball and a 4.20 kg ball are connected by a 78.0 cm long massless, rigid rod. The structure rotates about its center of mass at 250 rpm. What is the rotational kinetic energy of the structure?

Reference no: EM13545755

Questions Cloud

Magnitude of the normal force that the floor exerts on chair : A chair of weight 75.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 41.0N directed at an angle of 41.0degree below the horizontal and the chair slides along the floor.

What is the speed of waves on the rope : A rope of length 7.00 m has a mass of 700 g. It is tied between two poles; the tension force in the rope is 40 N. What is the speed of waves on the rope?

Coefficient of restitution of ball-collision with asphalt : A very bouncy ball is dropped from a height of 2.37 m to an asphalt playground surface and the height of its 5th bounce is measured to be 1.69 m. Find the coefficient of restitution of the ball for a collision with asphalt.

What happens if the woman suddenly slides closer to the hub : What happens if the woman suddenly slides closer to the hub by 0.400 m? The new net torque has the same magnitude. The new net torque is zero. The new net torque has greater magnitude

What is the rotational kinetic energy of the structure : A 0.80 kg ball and a 4.20 kg ball are connected by a 78.0 cm long massless, rigid rod. The structure rotates about its center of mass at 250 rpm. What is the rotational kinetic energy of the structure?

How long does it take the satellite to go around the earth : A 1,200kg satellite is placed in an orbit 5,000km above the surface of the Earth. a. What is the gravitational acceleration of the Earth at that altitude? b. What is the speed of the satellite? c. How long does it take the satellite to go around the ..

What is gravitational force of attraction between two shells : A thin spherical shell has a radius of 2 m and a mass of 380 kg, and its center is located at the origin of a coordinate system. Another spherical shell with a radius of 1 m and mass 105 kg is inside the larger shell with its center at 0.6 m on the x..

How far along the rough patch do blocks go before stopping : A frictionless ramp is constructed so that it is at a 30 degree angle to the horizontal. It is 1.8 meters long and 0.9 meters high. A 4 kg block is released at the top of the ramp and slides down onto a frictionless horizontal surface where it hit..

How far does the spring stretch to stop the jet : A 15,000 kg F-18 (jet fighter) lands at 50 m/s on an aircraft carrier, its tail hook snags the cable to slow it down. The cable is attached to a spring with a spring constant of 62,000 N/m. How far does the spring stretch to stop the jet?

User Account

All Pages