2. A circuit consists of a 10.0-ohm resistor,

a 15.0-ohm resistor, and a 20.0-ohm

resistor connected in parallel across a

9.00-volt battery. What is the equivalent

resistance of this circuit?

(1) 0.200 12 (3) 4.62 1

(2) 1.95.22

(4) 45.012

The specific heat of copper is 0.385 J/g·°C. What equation would you use to calculate the amount of heat needed to raise the temperature of 0.90 g of copper from 9°C to 26°C?

What makes a structure strong?

Now select the light bulb as the current indicator in the circuit. Move the magnet back and forth through the coil at different rates and observe the variation of the brightness of the bulb.

A 1130-kg car is held in place by a light cable on a smooth (frictionless) ramp. The cable makes an angle of 31.0° above the surface of the ramp, and the ramp itself rises at 25.0° above the horizontal. Determine the tension in the cable?

What does decelerate mean

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction