Kinematics and Projectiles
A golf ball is hit at an angle of 45 degrees above the horizontal. What is the acceleration is the golf ball in the vertical direction at the highest point in its trajectory?
What is -9.81 meters per second2?
Determine the mass of a 2.0 kg object on the moon if the acceleration due to gravity on the moon is 1.6 meters per second squared.
What is 2.0 kilograms?
The speed of a car is halved, the kinetic energy of the car is
What is quartered?
How much current flows through a 12-ohm flashlight bulb operating at 3.0 Volts?
What is 4.0 A?
A light wave that does not need a medium to travel through.
What is an Electromagnetic wave?
Determine the vertical component of a 15-meters per second velocity at an angle of 60 degrees above the horizontal.
What is 13 meters per second?
A wooden block is pulled along a wooden surface at a constant velocity with a force of 20-newtons. Determine the frictional force acting on the block.
What is 20-newtons?
A 5-newton force causes a spring to stretch 0.2 meter. What is the spring constant of the spring?
What is 25 N/m?
What is a moving electric charge?
A sound wave is what type of wave.
What is mechanical and longitudinal?
A car traveling 15 meters per second slows to a stop over a distance of 44 meters. Calculate the rate of deceleration of the car.
What is -2.6 meters per second2?
The gravitational force between 2 objects is F. Determine the gravitational force between the 2 objects if the distance between then is doubled.
What is quartered?
A 0.10-kilogram ball dropped vertically from a height of 1.00 meters above the floor bounces back to a height of 0.80 meter. What is the mechanical energy lost by the ball as it bounces?
What is 0.2 Joules?
As the number of resistors in a parallel circuit is increased, what happens to the equivalent resistance of the circuit and total current in the circuit?
If the frequency of a periodic wave is doubled, the period of the wave will be
What is halved?
A baseball is thrown horizontall from a cliff at 25 meters per second. The cliff is 45 meters from the ground. Approximately how far will the baseball land from the base of the cliff?
What is 75 meters?
Determine the gravitational force of attraction between the Earth and the moon.
What is 2.0 x 1020 N?
A 5.0 kilogram cart is at the foot of a hill 10.0 meters high. For the cart to reach the top of the hill, what is the minimum velocity of the cart. [Neglect friction.]
What is 14 meters per second?
A 15-ohm resistor is connected in parallel with a 30-ohm resistor, what is the equivalent resistance?
What is 10-ohms?
As a light ray leaves a flint glass block and enters a crown glass block, the light ray will bend
What is away from the normal line?
A golf ball is struck by a club. The ball leaves the club with a speed of 40 meters per second at an angle of 60 degrees with the horizontal. How much time does the ball spend in the air?
What is 7.0 seconds?
A 8.0-newton block is acceleration down a frictionless ramp inclined at 15 degrees to the horizontal. Determine the magnitude of the net force causing the block's acceleration.
What is 2.1 N?
A child applies a constant 20.-newton force along the handle of a wagon which makes a 25 degree angle with the horizontal. How much work does the child do in moving the wagon a horizontal distance of 4.0 meters?
What is 72.5 N?
A wire carries a current of 2.0 amperes. How many electrons pass a given point in 1.0 seconds?
What is 1.25 x 1019 electrons?
In a certain material, a beam of monochromatic light has a speed of 1.8 x 10^8 meters per second. The material could be...
What is flint glass?