What is the childs speed three-quarters of the way down

Assignment Help Physics

Reference no: EM13663447

A student throws a 0.140kg ball straight upwards to a height of 7.20 m. How much work did the student do? _______ J

A 33.8 kg child starting from rest slides down a water slide with a vertical height of 20.2 m.

1) What is the child's speed halfway down the slide's vertical distance? ___m/s

2) What is the child's speed three-quarters of the way down? ____m/s

How much longer must the minimum length of a plane mirror before a 6 ft 1 in man to see his complete head-to-toe image than for 5ft 5 in woman to do so? ____in

Reference no: EM13663447

Questions Cloud

Extremely thin film of soapy water-what is thickness of film : An extremely thin film of soapy water (n = 1.26) sits on top of a flat glass plate with n =1.51. The soap film has a red color when viewed at normal incidence. What is the thickness of the film? (Wavelength of red, or lambda = 640nm.)

Solid sphere of uniform density has a mass : A solid sphere of uniform density has a mass of 9.0 ×104 kg and a radius of 2.7 m. What is the magnitude of the gravitational force due to the sphere on a particle of mass 9.6 kg located at a distance of (a) 8.1 m and (b) 1.2 m from the center of the..

What is the oscillation amplitude : A mass on a spring has an angular oscillation frequency of 2.56rad/s. The spring constant is 27.2 N/m, and the system's kinetic energy is 4.47J when t = 1.56 s. Suppose that φ = 0.00. What is the oscillation amplitude?

What is the charge in electrical potential energy : A proton moves 68 cm on a path parallel to the direction of a uniform electric field of strength 2.8 N/C. What is the charge in electrical potential energy?

What is the childs speed three-quarters of the way down : A student throws a 0.140kg ball straight upwards to a height of 7.20 m. How much work did the student do? A 33.8 kg child starting from rest slides down a water slide with a vertical height of 20.2 m. What is the child's speed three-quarters of the w..

Assume the transformers are efficient : 65kW is to arrive at a town over two 0.100-Ω lines. Estimate how much power is saved if the voltage is stepped up from 120V to 1200V and then down again, rather than simply transmitting at 120V. Assume the transformers are 99% efficient.

What is the speed of the recoil electron after the collision : A photon of wavelength 0.73130 nm strikes a free electron that is initially at rest. The photon is scattered straight backward. What is the speed of the recoil electron after the collision?

Discover the time it takes the stone to catch up with ball : A ball is thrown vertically upward by an initial speed of 11 m/s. One second later, a stone is thrown vertically upward with an initial speed of 25 m/s. Discover the time it takes the stone to catch up with the ball.

What is the maximum number of lines per cm for the grating : Two ( and only two ) full spectral orders can be seen on either side of the central maximum when white light is sent during a diffraction grating. What is the maximum number of lines per cm for the grating?

User Account

All Pages