Matter can be found in how many common phases?

A. Six

B. Two

C. Four

D. Three

Choose the letter of the answer that best completes the statement or answers the question. 1. If a vehicle increases its speed from 20 mph to 60 mph, its braking distance will increase by a. 3 times. b. 4 times c. 9 times. d. 40 times.

The greenland ice sheet contains about 3 million cubic kilometers of ice. if completely melted, this ice would release about 1.91.

A 0.2 kg plastic cart and a 20 kg lead cart can both roll without friction on a horizontal surface. equal forces are used to push both carts forward for a distance of 1 m, starting from rest.

6 use superposition to find voltage v (t) across the 100 ohm resistor

Choose all that represent ways that Venus is different than Earth. a. The atmosphere of Earth is thicker than Venus b. Only Earth's atmosphere traps heat c. The atmosphere of Venus is thicker than Earth's. d.

Sliding friction definition

How much would a 100kg man weigh on the surface of the sun where the acceleration is 274 m/s

How much current is in a circuit that includes a 9 - volt battery and a bulb with a resistance of 12 ohms?

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?