Two bowling balls each have a mass of 8 kg. If they are 2 m apart, what is the gravitational force between them? G = 6.67 * 10^-11 N⋅ (m/kg) ^2

A. 3.21 10^-8 N

B. 2.14 10^-9 N

C. 2.68 10^-10 N

D. 1.07 10^-9 N

Bill leaves his 60 W desk lamp on every day, including weekends, for eight hours. After one month (30 days), how much total energy has been used by the lamp? Round your answer to the nearest whole number.

How long does it take a car to cross a 30.0 m wide intersection after the light turns green, if the car accelerates from rest at a constant 2.00 m/s2.

a ball is thrown vertically upward with an initial speed of 40 m/s. how high is the ball above the ground when it stops

Two hypothetical discoveries in Part A deal with moons that, like Earth's moon, are relatively large compared to their planets.

Arrange the following substances in order of decreasing magnitude of lattice energy. Rank the compounds in order of decreasing magnitude of lattice energy. MgO, CaO, NaF, KCl

Resistors in parallel together contain less resistance than resistors in series together. Create an analogy to explain this phenomena and post it here.

Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. part a a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r.

The acceleration of an object is the slope of its velocity-time graph. True False

When a cannon fires a cannonball, the cannon will recoil backward because the?

True or False: As we learn more about organisms how we classify them can continue to change. O True O False