A jumbo jet has a mass of 100,000 kg. The thrust for each of its four engines is 50,000 N. What is the jet's acceleration in meters per second per second when taking off?
A) 0.25
B) 1
C) 2
D) 4
E) none of these
Answer: C
Learn More :
Physics
- A disco ball falls from the midpoint of the ceiling of a moving van. It lands
- A package falls out of an airplane that is traveling at 300m/s. Neglecting air resistance, what is its horizontal velocity before hitting the ground?
- What is the acceleration of a freely falling object
- When you yank a table cloth out from under your dishes you are demonstrating
- As an object falls
- A car traveling at 100 km/hr strikes an unfortunate bug and splatters it. The force of impact is
- A vehicle that weights 400 N on the surface of the Earth is traveling in outer space at a speed of 400 m/s . It can be stopped by applying a constant force of 20 N for
- A horse exerts 500N of force on a heavy wagon. The wagon pulls back on the horse with an equal force. The wagon still accelerates because
- Joe pushes Bill, who is asleep. Bill
- Earth pulls on the moon. Similarly the moon pulls on Earth, evidence that
- As a ball falls, the action force is the pull of Earth on the ball. The reaction force is the
- A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. The reaction to this force is the
- A large and a small person wish to parachute at equal terminal velocities. The larger person will have to
- A skydiver's terminal velocity will be greatest if she falls
- A skydiver jumps from a high-flying plane. As her velocity of fall increases, her acceleration
- When a falling object has reached its terminal velocity, its acceleration is
- A 2000-kg car experiences a braking force of 10,000 N and skids to a stop in 6 seconds. The speed of the car just before the brakes were applied was
- A car traveling at 22 m/s comes to an abrupt halt in 0.1 second when it hits a tree. What is the deceleration in meters per second per second of the car?
- A rock is thrown vertically into the air. At the very top of its trajectory the net force on it is
- Neglecting friction, a large block of ice and a small block of ice start sliding down an incline together. The heavier block will get to the bottom
- An object following a straight-line path at constant speed
- The mass of a pet turtle that weighs 10 N is
- A girl pulls on a 10-kg wagon with a constant horizontal force of 30 N. If there are no other horizontal forces, what is the wagon's acceleration in meters per second per second?
- An apple at rest weighs 1 N. The net force on the apple when it is in free fall is