What amount of heat is required to raise the temperature of 25 grams of copper to cause a 15º C change? The specific heat of copper is 0.39 J/gº C.

115 J

150 J

250 J

300 J

How do you find the net force on an object if forces are acting on it in the same direction? This is Physical Science

What is the momentum of 24 kg truck moving at 7.4 m/sec?

Which are the best examples of how technology can be used in contemporary entrepreneurship?

A lacrosse ball that is thrown straight upwards reaches a maximum height of 4.5 m. At what initial velocity was it thrown? (note: final velocity, v = 0, at the top).

4. While leaving the movie theatre after a great show, your friend comments on how cold it is outside and asks you if you have any idea how cold it actually is. You know that you are standing 70.0 m away from the high exterior walls of the theatre.

What is the frequency of 20 mm microwaves? A) 100 MHz B) 400 MHz C) 15 GHz D) 73 GHz E) 98 GHz

A measure of how much pulling, or tension, a material can withstand before breaking is - A. hardness. B. brittleness. C. tensile strength. D. malleability.

How work done against gravity can be expressed?

An electron is acted on by two electric forces, one of 2.7*10-14 N acting upward and a second of 5.8*10-14 N acting to the right. What is the magnitude of the electric field at the electron's location?

A satellite on a Low Earth Orbit is flying with a speed of 7.65 km/s. The vertical component of the Earth's magnetic field is 35.3 μT at the current location of the satellite.