how much heat energywill b needed to change the temperature of 275g of parrafin oil by 75k. specific heat capacity of paraffin oil is 2130jkgk

You have created a circuit in science class. You are using a 9 volt battery. You have generated what type of current?

The great plain is sometimes called a breadbasket. why is that a appropriate name?

Which of the following has mass? a. Force b. Space c. Matter d. Light

Which is the best example of Newton's Second Law of Motion? A student has on roller skates and he decides to push against the railing. He immediately begins to roll backwards. A small ball and a larger ball with greater mass are dropped from a roof.

The atmosphere flows in large convection currents. what happens during atmospheric convection

Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?

Should young people be allowed to do extreme sports? (give me two reasons why) 1. Opinion: 2. Reason why: 3. Reason why:

A light ray is incident on a reflecting surface. If the light ray makes a "35°" angle with respect to the normal to the surface, what is the exact angle (in degrees) made by the reflected ray relative to the normal?

Reimbursement means that a client is A. able to apply for healthcare insurance and refunded for a partial sum of the payment plan by the state. B.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr