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Brycen Heath
Physics
How many collisons occur when a vehichle hits a solid object
A 2
B 3
C. 0
D 1
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Jaiden Burgess
Physics
What is the frequency of an electromagnetic wave that has a wavelength of 4,000m?
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Miranda Weeks
Physics
Emma is running for the bus. She runs 100 metres in 25 seconds. Calculate her speed
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Lamb
Physics
You raise a 1200-N piano a distance of 5.00 m using a set of pulleys. You pull in 20 m of rope while exerting a force of 340 N.
a) what is the work output?
b) what is work input
c) what is the mechanical advantage of this machine?
d) what is the efficiency of this machine?
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Lucy Noble
Physics
Ina shoots a large marble (Marble A, mass: 0.08 kg) at a smaller marble (Marble B, mass: 0.05 kg) that is sitting still. Marble A was initially moving at a velocity of 0.5 m/s, but after the collision it has a velocity of - 0.1 m/s. What is the resulting velocity of marble B after the collision?
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Gerald House
Physics
The elements that touch the zigzag line ar classified as
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Jackrabbit
Physics
The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?
A. 25 g
B. 100 g
C. 75 g
D. 50 g
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Memphis Jacobson
Physics
During a transit, a
passes in front of its parent star, temporarily decreasing the star's brightness by a small
amount.
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Ashleigh Rodgers
Physics
How much of each food dollar goes to the producer
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Mia Dickerson
Physics
What is the effect of a magnetic field on a stationary electric charge on a moving electric charge?
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Nash Hamilton
Physics
A ball is thrown upwards with an initial velocity of 25. o m/s, what is the velocity of the ball at 11.9 m from the ground?
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Uriel Moyer
Physics
Can rocks be weathered by wind and chemicals in the air
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Tommy Greene
Physics
1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge. If you rub a neutral rubber rod with silk the rubber rob acquired a negative charge. Which of the three materials know?
2. You are wandering around the park on a cold winter day in january. There are two benches - one is made from metal and one is made from wood. Which bench would not feel as cold? How do you know
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Rebecca Schwartz
Physics
What's a scientific inquiry
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Kierra Ellison
Physics
Calculate work If force of 50 Newton's and distance is 6 meters.
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