Mechanics | Relativity Answers

A 1150 kg car is on a 8.70 degree hill. Using X-Y axes titled down the plane, what is the x-component of the normal force? (Unit=N)

A basketball is shot at 12.0 m/s at a 55.0 degree angle. What is the velocity of the ball 2.16 seconds later?

A constant volume gas thermometer records a pressure of 250mmHg at 0°c and 290mmHg at 100°c. Calculate the room temperature when the gas pressure is 262mmHg

Two trains are headed for each other on a railroad track. One is moving with velocity 100 km/h (east) and the other with velocity 128 km/h (west).
When the trains are 1.2 km apart, the engineers both simultaneously realize the danger of collision and begin braking with an acceleration value of 0.9 m/s^2.
Decide if the trains can stop before collision and if there is no crash, how far apart are the trains?

The SI unit for distance

An object starts from rest and accelerates at a rate of 2 m/s squared over a distance of 20 m what is the final velocity

A bus starting to from rest moves with a uniform acceleration of 0.1m/s for 2 minutes. Find the speed acquired and distance travelled

A wheel and axle have radii 80cm and 10cm respectively, if the efficiency of the machine is 0.85, what load will an applied force of 1200N to the wheel raise?

A truck with 0.325 m radius tires travels at 50.0 m/s. At how many radians per second are the tires rotating?

A centrifuge accelerates from rest to 1571 radians per second in 250s. Through what angular displacement did it turn in this time?