[b]1. Homework Statement
It takes a minimum distance of 66.64 m to stop a car moving at 14.0 m/s by applying the brakes (without locking the wheels). Assume that the same frictional forces apply and find the minimum stopping distance, when the car is moving at 32.0 m/s.
The Attempt...
Homework Statement
A) The ball's PE is a constant.
B) The velocity vector and the acceleration vector are in the same direction after t= 7.3s.
C) The acceleration is constant.
D) The acceleration is 0 near t= 7.3s.
E) Maximum height is reached at about t=7.3s.
F) The ball's KE increases...
Homework Statement
Estimate the angle theta of the pendulum bob if it is 4.80km from the center of Mt. Everest.
The Attempt at a Solution
Tan(theta) = (GMeverest/r^2)/g
I have been trying to use this formula, but i don't think its the right one?
Homework Statement
Select T-True, F-False, for each statement. If the first is T and the rest F, enter TFFFFF.
A) The work done to raise a box onto a platform depends on how much time it takes to raise it. (Neglect friction, assume it starts on the ground at rest, and ends up resting...
What is the work done by the two forces together in moving an object a distance of d = 14 m as shown in the diagram? The magnitude of each force is 7 N.
Homework Statement
satellite is in a circular orbit around the earth. The period of the satellite is 25.4 hr. Calculate the radius of the orbit of the satellite. Data: Mass of the Earth = 5.98 x 1024 kg
Homework Statement
A car of mass 6.50×102kg and a truck of mass 3.15×103kg run into one another due to ice on the road. 34.00ms after the collision, the car is pushing on the truck with a force whose magnitude is 1.98671×105N. Calculate the size of the force on the car due to the truck at...