Recent content by David Mordigal

Homework Statement A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0o? Express your answer to two significant figures. Homework Equations...

Homework Statement The two blocks in the figure are connected by a massless rope that passes over a pulley. The pulley is 16cm in diameter and has a mass of 1.3kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.50 N*m. If the blocks are released from rest, how long...

Homework Statement Two blocks are connected by a string as in the figure. (below) What is the upper block's acceleration if the coefficient of kinetic friction between the block and the table is 0.18? Express your answer to two significant figures and include the appropriate units. Homework...

OK, I got it. Thanks all for your help!

Homework Statement Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 2.0 m/s2. What will be the...

This is a problem from my physics homework. I copied the diagram below as best I could from the text. It's not the best rendering but you'll get the idea. 1. Homework Statement Two blocks are at rest on a frictionless incline, as shown in the figure. Part A. What is the tension in the string...