Simplify completely: - 3 (4-9) + 6-2 (-8+5)

A 60.0kg skier starts from rest at the top of a ski slope of height 62.0. Part A If frictional forces do - 1.06*10 4 of work on her as she descends, how fast is she going at the bottom of the slope?

A box of mass m = 1.80 kg is dropped from rest onto a massless, vertical spring with spring constant k = 2.00 ✕ 102 N/m that is initially at its natural length. How far is the spring compressed by the box if the initial height of the box is 2.

A ball is thrown straight down with a velocity of 19.6m/s what will be its velocity 2.0s after being released

Energi potensial pegas saat x = 0,02 meter adalah A. 0,1 B. 0,2 C. 0,3 D. 0,4 E. 0,5

If the potential difference across a 12-ohm resistor is 6 volts, the current through the resistor is?

A flash of white light containing all the colors of the visible spectrum in air shines straight down on the surface of a pool.

A car accelerates uniformly from 0 to 15m/s in 5 s. Calculate acceleration.

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is:

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.