triceratip4oztz78 triceratip4oztz78

23-04-2024
Physics

Answered

The largest grand piano in the world is really grand. Built in London, it has a mass of 1.25 × 103 kg. Suppose a pianist finishes playing this piano and pushes herself from the piano so that she rolls backwards with a speed of 1.4 m/s. Meanwhile, the piano rolls forward so that in 4.0 s it travels 24 cm at constant velocity. Assuming the stool that the pianist is sitting on has a negligible mass, what is the pianist’s mass?

Answer :

Other Questions

A mass-spring system oscillates with an amplitude of 9.4 cm. If the force constant of the spring of 424 N/m and the mass is 0.69 kg, what is the magnitude of th

When a uranium nucleus, U-238, spontaneously decays, it can do so by turning into one alpha particle, He-4, and one nucleus of thorium, Th-234. It can do so be

find specific heat for aluminum can when mass of can is 60.56g. The mass of cold water in can is 150.51g and has a temp of 18C. The mass of the hot water in can

Suppose a 1450-kg elevator car is lifted a distance 38 m by its cable at a constant speed, assuming the frictional force on the elevator has a constant value o

A wire with mass 80.0 g is stretched so that its ends are tied down at points 98.0 cm apart. The wire vibrates in its fundamental mode with frequency 80.0 Hz

A hocky puck of mass 0.100 kg moves along the horizontally and to the right at a speed of 5.00m/s. The puck collides (with a glancing blow) with a stationary pu

I attach a weight to the end of a spring force gauge. The gauge reads 10 N. If I then submerge the mass in water and the gauge reads 5 N, what is the volume of

The figure shows an object of mass M sliding on a frictionless horizontal surface. fion less M motion State and explain what happens if another object of identi

A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting th