what is the pressure produced by a kilogram of lead on a horzontal surface if its area it rests on is 0.02m^2?

An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and decelerates at a rate of 0.150 m/s^2 as it goes through.

4. A 15 V battery is connected to three capacitors in series. The capacitors have the following capacitances: 4.54F, 12uF and 32uF. Find the voltage across the 32uF capacitor.

The atomic mass of an atom remains the same after gamma radiation True False

Which of the following statements about language is true? a There is a direct relationship between a specific word and the object or idea it represents. b All the languages in the world are symbolic except for Asian languages.

A 2.5 kg, 20-cm-diameter turntable rotates at 80 rpm on frictionless bearings. Two 500 g blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick.

Consider a "crystal" consisting of two nuclei and two electrons. (a) Taking into account all the pairs of interactions, find the potential energy 1 of the system as a function of d.

jason hits a baseball off a tee toward right field. the ball has a horizontal velocity of 10 m/s and lands 5 meters from the tee. what is the height of the tee? show your work, including formula (s) and units.

What is the average amount of energy of motion in the particles of a substance

A race car is traveling at 76 m/s when it slows down at 9 m/s^2 for 4 seconds. What is his new velocity

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W