A 1200 kg car is moving at 5.0 m/s east. it strikes an 1800 kg car at rest. the cars have an elastic collision and move in the east or west direction. the velocity of the 1200 kg car after the collision is:

A glass lying on table doesn't possess friction. why?

When a battery does 24 j of work on 10 c of charge, the voltage it supplies is?

Punnett squares are convenient ways to represent the types and frequencies of gametes and progeny in experimental crosses. this punnett square shows the results of a yy x yy cross to form f2 progeny.

Objects 1 and 2 attract each other with a electrostatic force of 18.0 units. If the distance separating Objects 1 and 2 is changed to four times the original value (i. e., quadrupled), then the new electrostatic force will be units.

A 0.060 kg ball hits the ground with a speed of - 32m/s. The ball is in contact with the ground for 45 milliseconds and the ground exerts a + 55 N force on the ball. What is the magnitude of the velocity after it hits the ground? A. 9.3m/s B.

The speedometer in your car reads 55mi/h this represents ___ of the car

What is the speed of a plane that traveled 1500 km in 2.5 hours? How far would that same plane travel in eight hours if it maintained a constant speed?

A 75 W lightbulb is being run on a 110 V outlet. Determine the resistance of the lightbulb. Provide a detailed description of the process.

A circuit contains two 1.5 volt batteries and a bulb with a resistance of 3 ohms. Calculate the current.

What type of friction acts when the books are at rest but a force is exerted?