A circuit maintains a constant resistance. If the current in the circuit is doubled, what is the effect on the power dissipated by the circuit?

Match the terms and definitions given in the table below. A. Supportable Other scientists must be able to repeat the test and get the same results. B. Repeatable The answer to the test must be supported with physical evidence. C.

How much heat, in joules and in calories, must be added to a 75.0Â-g iron block with a specific heat of 0.449 j/g °c to increase its temperature from 25 °c to its melting temperature of 1535 °c?

A force of 8,480 N is applied to a cart to decelerate it at a rate of 32.0 m/s2. What is the mass of the cart?

You are using a tuning fork of frequency 320 Hz. For one particular water level, you hear a loud sound when the fork is struck and positioned just above the open end of the tube. When the water level is lowered by 535 mm, you again hear a loud sound.

Which of the following is NOT true about mass movement? A. Some mass movement is too slow to be seen. B. Mass movement always leads to landslides. C. Gravity is the driving force behind all mass movements. D. Mass movement is always downslope

What type of friction is using chalk in the summer to draw on the ground in Copley square? Sliding friction Rolling friction static friction Fluid friction

Two energy resources that do not depend on the sun's energy

How much heat is givne out when 6.0g of water freezes at 0 degrees celcius the heat of fusion of water is 80.0 cal/g?

Which statement describes why ocean currents are considered convection currents? A) Warm water moves counterclockwise in the northern hemisphere B) Warm water rises and cold water moves in to replace it.

What kind of waves require a medium to travel? Question 6 options: Light Waves Mechanical waves All waves need a medium to travel Electromagnetic waves