Y = - 2x + 5 and 2x + y = - 7

When a cup is placed on a table, which force prevents the cup from falling to the ground? A. gravitational force B. normal force OC. resistance force D. tension force

What is an ore? an object that has been recycled

Only one symbol must be included in every circuit diagram. What symbol is it? Question 1 options: a symbol for an anmeter a symbol for a voltmeter a symbol for a battery or some other voltage source a symbol for a switch

A proton and an electron are released from rest, with only the electrostatic force acting. Which of the following statements must be true about them as they move toward each other? (There could be more than one correct choice.) Check all that apply.

Why does a small particle size generally cause a reaction to proceed faster? a. the only reason is that there are more collisions per second. b. the collisions occur with greater energy. c.

In a scientific experiment, the_ changes in response to another change. O O A. hypothesis B. conclusion O O O C. dependent variable O D. independent variable

How do animals affect the amount of carbon in earth's atmosphere

A 1600-kg car travels at a speed of 12.5m/s what is its kinetic energy

I'm hooke's law F=kx, what does the k stand for

The temperature of an object increases by 30.2 °c when it absorbs 3715 j of heat. calculate the heat capacity of the object.