What is the speed of each fragment just after the explosion?

The mass of a high speed train is 4.5*105kg, and it is traveling forward at a velocity of 8.3*101m/s. given that momentum equals mass times velocity, determine the values of m and n when the momentum of the train (in kg⋅m/s) is written in scientific

Which of the following is a positive statement? a) A humidity level of 90 percent is too high. b) It is too hot to run outside when the temperature exceeds 80 degrees. c) The temperature is 92 degrees today.

A car having an initial speed of 16 meters per second is uniformly brought to rest in 4.0 seconds. How far does the car travel during this 4.0 second interval

In the diagram above, a heavy box is being lifted. what is the function of the pulley

If Star A is twice as far as Star B, and they are identical in all other ways, then the brightness of Star A would be

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is Nm. If the same force moves the same cart three times that distance, the work done is Nm. NextReset

What is the critical angle c for total internal reflection if the material is clear acrylic, with a refractive index of 1.5?

What is happening if energy input remains constant and voltage remains the same in a circuit, but the current decreases? A. The resistance has increased. B. The volts have decreased. C. The power has increased.

The velocity - time graph of a ball of mass 25g moving on road is as given below: (a) How much force does the road exert on the ball to bring it to rest? (b) What is the direction of the force exerted by the road?

A spring required a force of 5.0 n to compress it 0.1 m. How much work is required to stretch the spring 0.4 m?