A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the acceleration of the brick?

A. 4.9 m/s2

B. 5.6 m/s2

C. 8.5 m/s2

D. 9.8 m/s2

A cart is pushed to the right with a force of 15 N while being pulled to the left with a force of 20 N. The net force on the cart is?

Efficiency of a standard 60 W lightbulb

A bungee jumper hangs from a bungee cord with zero velocity. If the bungee cord has a spring constant of 76 N/m and the jumper has a mass of 110 kg, how stretched is the bungee cord past its natural length?

Is the force of the mosquito on the car larger than, smaller than, or equal to the force of the car on the mosquito?

You are given a pure substance that is shiny, hard and has a relatively high density, this substance is likely a? A - metalloid B - nonmetal C - metal D - lanthanide

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

During takeoff, a plane accelerates at 4 m/s and takes 40 s to reach takeoff speed. What is the velocity of the plane at takeoff?