Homework Statement
Two objects are connected by a light string passing over a light frictionless pulley as shown
in the figure. The object of mass 5.00-kg is released from rest. Using the principle of
conservation of energy, (a) determine the speed of the 3.00-kg object just as the 5.00-kg...
Homework Statement
1. A crate with scientific equipment slides down a curved frictionless side of lunar crater of the depth h, and then up along the other side which is an inclined plane as in Figure 2. The coefficient of kinetic friction between crate and incline is k, and the inclined side...
would it work to say a(t)=(4.00i-2.00tj), take the integral to find velocity and then find this magnitude? so 15= sqrt(4.00t2+(-t2)2)?? so then 225=16t2+t4, getting t=3 s?
Homework Statement
To model a spacecraft , a toy rocket engine is securely fastened to a 2.00-kg large puck, which can glide with negligible friction over a horizontal surface, taken as the xy plane. The engine exerts a time-dependent force, F = (8.00 î – 4.00t ĵ) N, where t is in seconds...
Homework Statement
A crate with scientific equipment slides down a curved frictionless side of lunar crater of the depth h, and then up along the other side which is an inclined plane. The coefficient of kinetic friction between crate and incline is k, and the inclined side makes an angle θ...
Homework Statement
A crate with scientific equipment slides down a curved frictionless side of lunar crater of the depth h, and then up along the other side which is an inclined plane. The coefficient of kinetic friction between crate and incline is k, and the inclined side makes an angle θ...
Homework Statement
Imagine a space station has been built on Venus, and a pendulum is taken outside to determine the acceleration of gravity. The pendulum is a ball having mass m is connected by a strong string of length L to a pivot point and held in place in a vertical position. A wind...
Homework Statement
Two astronauts are unloading scientific equipment from the spaceship that has just landed on the Moon surface. To prevent a box from sliding down an inclined ramp, astronaut A pushes on the box in the direction parallel to the incline, just hard enough to hold the box...