A boat traveling at 20m/s travels east for 20 seconds, west for 5 seconds, north for 22 seconds and south for 2 seconds. What is the boats total displacement?
532.5m
This is the type of picture that can (should) be drawn for any dynamics problem.
Free-Body Diagram
A ball released at rest, from a height of 7m. How long will it take before it hits the ground?
1.19 seconds
In The Matrix, which pill does Neo take?
Red
A ship can travel at a maximum speed of 8 km/h in any direction in still water. What is the maximum velocity of the ship relative to the shore if it is moving perpendicular to a 6 km/h current?
10 km/h
An object feels two forces; one of strength 8 N pulling to the left and one of 20 N pulling to the right. If the object’s mass is 4 kg, what is its direction and acceleration?
3 m/s^2
At the max height of a projectile, the net acceleration equals?
-9.8 m/s^2
In the movie The Matrix, what is Neo's real name?
Thomas Anderson
The change in position of an object
What is displacement?
This is the normal force on a 10 kg object that rests on an incline that makes a 25 degree angle with the horizontal.
90.6N
From a cliff height of 32m a ball is thrown horizontally at a speed of 11 m/s. How fast will the horizontal component be at the point of impact?
11 m/s
In themovie "Get Out" why was the victim chosen?
For his eyes
A car traveling with a velocity of 5m/s along a straight road. A second car at rest 250 m behind the first starts accelerating uniformly. What is the second car's acceleration if it catches the first after 10 seconds?
6 m/s^2
How much tension must a rope have to lift a 80 N object with an acceleration of 10 m/s^2
161.6N
A cannon fires a projectile at 23 degrees above the horizon, with an initial velocity of 33 m/s. How long before the projectile hits the target?
2.63 seconds
Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg skater acquires a speed of 0.375 m/s relative to the ice. What speed does the 60-kg skater acquire relative to the ice?
.375 m/s
What do Katniss and Peeta attempt to poison themselves with in The Hunger Games?
Nightlock
A bullet shot from a rifle. The barrel is one meter long and the velocity is 100 m/s. What can we use this information to solve for?
acceleration
A 500 g cart is released from rest on a horizontal track and travels 75.0 cm in 1.75 seconds while experiencing an average, horizontal applied force of 0.5 N. What is the magnitude of the force of friction between the cart and the track?
Friction Force= .255
An object moving horizontally at 9 m/s falls of a 22 m cliff. How far will the object go before hitting the ground?
19.8 m
A golf club exerts an average horizontal force of 1000 N on a .45-kg golf ball that is initially at rest on the tee. The club is in contact with the ball for 1.8 ms. What is the speed of the golf ball just as it leaves the tee?
4 m/s
Black Panther made history as the first superhero film nominated for what award?
Best Picture Oscar