in ideal diesel cycle the working substance is (A) air (B) diesel (C) misture of air and diesel (D) any combustible gas

A 0.203-kg plastic ball moves with a velocity of 0.30 m/s. it collides with a second plastic ball of mass 0.092 kg, which is moving along the same line at a speed of 0.10 m/s.

A trolley of mass 200kg is travelling north at 2m/s. It collides head on with a second trolley of mass 500kg which is travelling south with a velocity of 5 m/s and they remain coupled together.

During physical activity of high intensity, your heart will beat at a percentage of its maximum rate. Whi this type of activity? A. 40%-50% 50%-70% O 70%-85% D. 85%-100%

Why a pond of water appears shallower than it actually is?

You place a solid cylinder of mass M on a ramp that is inclined at an angle β to the horizontal. The coefficient of static friction for the cylinder on the ramp is μs.

A motor-driven winch pulls a 50.0 kg student 5.00 m up the rope at a constant speed of 1.25 m/s. how much power does the motor use in raising the student? how much work does the motor do on the student?

By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343 m/s?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?