Unit 4&5 Comp Quiz
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Last updated almost 3 years ago
26 questions
1
A student swings a yo-yo above her head in a uniform circular motion with the mass rotating 1.4m away from her body, the center of rotation. Select the overhead drawing that illustrates the centripetal acceleration.
A student swings a yo-yo above her head in a uniform circular motion with the mass rotating 1.4m away from her body, the center of rotation. Select the overhead drawing that illustrates the centripetal acceleration.
1
A student swings a yo-yo above her head in a uniform circular motion with the mass rotating 1.4m away from her body, the center of rotation. What affect does tripling the length of the yo-yo string used in uniform circular motion have on centripetal acceleration if all other factors are held constant?
A student swings a yo-yo above her head in a uniform circular motion with the mass rotating 1.4m away from her body, the center of rotation. What affect does tripling the length of the yo-yo string used in uniform circular motion have on centripetal acceleration if all other factors are held constant?
1
What is the horizontal component of a baseball moving at 50 m/s at 20⁰ above the horizontal. Do not include the unit.
What is the horizontal component of a baseball moving at 50 m/s at 20⁰ above the horizontal. Do not include the unit.
1
What is the vertical component of a baseball moving at 50 m/s at 20⁰ above the horizontal. Do not include the unit.
What is the vertical component of a baseball moving at 50 m/s at 20⁰ above the horizontal. Do not include the unit.
1
A dart is fired from two nerf dart guns at the same time. Gun A is pointed horizontal. Gun B is 35 degrees above the horizontal. What occurs?
A dart is fired from two nerf dart guns at the same time. Gun A is pointed horizontal. Gun B is 35 degrees above the horizontal. What occurs?
1
What is the tangential velocity of a 0.081 kg tetherball that rotates in a circle with a radius of 0.58 m above the top of the pole accelerating at 31.6m/s2? Do not worry about the units.
What is the tangential velocity of a 0.081 kg tetherball that rotates in a circle with a radius of 0.58 m above the top of the pole accelerating at 31.6m/s2? Do not worry about the units.
1
What is the gravitational force on a 2.00kg rock on the surface of Mars if Mars has a mass of 5.683 x 1026 kg and a radius of 5.82 x 106 m? Don't worry about the unit.
What is the gravitational force on a 2.00kg rock on the surface of Mars if Mars has a mass of 5.683 x 1026 kg and a radius of 5.82 x 106 m? Don't worry about the unit.
1
What mistake did Cavendish make when calculating the Universal Gravitational Constant?
What mistake did Cavendish make when calculating the Universal Gravitational Constant?
1
How did Galileo correct Aristotle who thought that heavier objects have a greater acceleration?
How did Galileo correct Aristotle who thought that heavier objects have a greater acceleration?
1
What did Newton discover about gravity?
What did Newton discover about gravity?
1
How is the gravitational force of a planet affected when a space ship gets closer to the planet?
How is the gravitational force of a planet affected when a space ship gets closer to the planet?
1
What is the magnitude and direction of the centripetal force of a naughty teen that is driving donuts in a parking lot in a 770kg car in a radius of 12m at 8m/s?
What is the magnitude and direction of the centripetal force of a naughty teen that is driving donuts in a parking lot in a 770kg car in a radius of 12m at 8m/s?
1
A water balloon is thrown directly down at an innocent bystander below. The soon-to-be-punished fraternity student hurled the balloon at 21m/s, and it accelerated due to gravity for 1.4 seconds. How fast was the balloon traveling before it hit the innocent bystander? Ignore units.
A water balloon is thrown directly down at an innocent bystander below. The soon-to-be-punished fraternity student hurled the balloon at 21m/s, and it accelerated due to gravity for 1.4 seconds. How fast was the balloon traveling before it hit the innocent bystander? Ignore units.
1
A bird flies with a velocity of 20m/sec at an angle of 30 degrees. Select the correct evaluation.
A bird flies with a velocity of 20m/sec at an angle of 30 degrees. Select the correct evaluation.
1
A kite is blown with a velocity of 35m/sec at an angle of 20 degrees. Find the components.
A kite is blown with a velocity of 35m/sec at an angle of 20 degrees. Find the components.
1
A marble is launched by dropping it through a marble launcher. The marble took 0.37s to land 0.64m from where it was launched. Find the horizontal velocity of the marble as it launches.
A marble is launched by dropping it through a marble launcher. The marble took 0.37s to land 0.64m from where it was launched. Find the horizontal velocity of the marble as it launches.
1
As a projectile travels through the air its horizontal velocity will be...
As a projectile travels through the air its horizontal velocity will be...
1
What can be correctly state about a cow’s vertical acceleration when launched over a barn?
What can be correctly state about a cow’s vertical acceleration when launched over a barn?
1
A bullet is fired above the horizontal forward. If the bullet is travelling at 200 m/s and it takes .3s to reach the target, neglecting air resistance. Which of the following are correct statements? Select all that apply.
A bullet is fired above the horizontal forward. If the bullet is travelling at 200 m/s and it takes .3s to reach the target, neglecting air resistance. Which of the following are correct statements? Select all that apply.
1
A toy unicorn is thrown off the top of the WHS balcony horizontally at 8m/s and lands gracefully 3s later. What is the unicorn's horizontal distance from the balcony?
A toy unicorn is thrown off the top of the WHS balcony horizontally at 8m/s and lands gracefully 3s later. What is the unicorn's horizontal distance from the balcony?
1
A toy unicorn is thrown off the top of the WHS balcony horizontally at 8m/s and lands gracefully 3s later. How high is the balcony?
A toy unicorn is thrown off the top of the WHS balcony horizontally at 8m/s and lands gracefully 3s later. How high is the balcony?
1
What is the value of the vertical acceleration as a projectile rises?
What is the value of the vertical acceleration as a projectile rises?
1
What is the value of the vertical acceleration as a projectile falls?
What is the value of the vertical acceleration as a projectile falls?
1
What is the relationship between the total time of a projectile's flight and the time it takes to rise?
What is the relationship between the total time of a projectile's flight and the time it takes to rise?
1
What is the relationship between the total time of a projectile's flight and the time it takes to fall?
What is the relationship between the total time of a projectile's flight and the time it takes to fall?
1
Where along a vertical projection's path is the vertical velocity zero?
Where along a vertical projection's path is the vertical velocity zero?