Billy is pushing a book with a force of 100N to the left, and Johnny is pushing the same book with a force of 80N to the right. What is the Fnet?

20N to the left

20N to the right

20n to the right

20n to the left

3. A robot is on the surface of Mars. The angle of depression from a camera in the robot to a rock on the surface of Mars is 13.78°. The camera is 184.0 cm above the surface. How far is the camera from the rock? (Round to the nearest tenth as needed.

A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km north to stop for lunch. use a graphical method to find his net displacement vector.

A bike rider rides at an average of 12 m/s for 30 minutes. How many km can the rider travel in that time? Show your work. (What it means by that time? I meant the 30 min just to let you guys know^^)

How much heat is required to raise the temperature of 0.25 kg of water from 20°C to 30°C

The distance between neighboring singly charged sodium and chlorine ions in crystals of table salt (NaCl) is 2.82*10^-10m. What is the attractive electric force between the ions?

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?