A fire is burning in a fire place where is the convection

A. you touch the warm bricks next to the fireplace

B. the fire heats the bricks at the bottom of the fireplace

C. heat is rising up the chimney

You did 150 joules of work lifting a 75 newton backpack. How high did you life the backpack?

you lift a 45n bag of mulch 1.2 meters and carry it a distance of 10 meters to the garden. how much work was done?

The number of complete vibration made in one second by a vibration is what?

I will make you brainliest! Very Easy question! How can you define synthetic material and natural material?

What is the shortest possible time in which a bacterium could travel a distance of 8.4cm across a Petri dish at a constant speed of 3.5 mm/s?

The maximum kinetic energy of photoelectrons is 3.10 ev. when the wavelength of the light is increased by 50%, the maximum energy decreases to 1.50 ev. part a what is the work function of the cathode?

Which of the following most completely describes an objects motion? A. a car travels 25 miles. B. The baby crawls 10 feet in 15 seconds toward the door. C. A marble rolls 10 m to the left D. The rain falls at a rate of one inch per hour

Why is the use of carbon-14 limited

Why do cell sometimes need to use active transport?

Why is carbon and nitrogen important?