Ultimate Physics Study Guide - Questions & Answers

1. W= 500 Joulest = 25 secondsP = ?
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A train is travelling along its railroad tracks. It slows down, goes around a turn, speeds back up, coasts at a constant velocity for awhile, then slows down again.How many times did the train accelerate?Responses1234A train is travelling along its railroad tracks. It slows down, goes around a turn, speeds back up, coasts at a constant velocity for awhile, then slows down again.How many times did the train accelerate?Responses1234
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If the radius of rotation of the planet orbiting the earth is 667. So find out its rotation timei mark u brainlist
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Fig. 62.7 A C2V 50 V 5 30 (a) Calculate the readings of the ammeter and the voltmeter when the switches are as shown with S closed and S open. Explain your calculations.
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Maddy tripped and accidentally threw her phone off the hollywood cliff at 5m/s. It landed 20 away from the base of the cliff. how high is the cliff then?
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2. How far does sound travel in 0.75 s in -35C weather?(equation in formula sheet linked above)
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The string on a piano that produces an A sharp vibrates with a frequency of 235 Hz.If the sound waves produced by this string have a wavelength in air of 1.49 meters,What is the temperature?
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9. What is the acceleration when a 63 kg person on rollerblades pushes against a wall with aforce of 34 N?
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A 500 kg car and a 1500 kg truck are given the same accelerations, which requires the greaterforce? Why?
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if you weight 100 pounds on earth, what would you weight on the moon
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3) A skateboarder lands on all four wheels after riding a railing. If the skateboarderhas a weight of 900 N and the area on the bottom of a single wheel is 0.0001 m2,What pressure does the skateboard put on the ground?
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The Ottawa radio station JUMP 106.9 broadcasts at a frequency of 106.9 MHz - find thewavelength. Radio waves are electromagnetic waves that travel at thespeed of light 3.0x10 m/s
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A hawk with a mass of 3 kg is scavenging for food. It spots a field mouse, and divesto catch it, losing 475 J of gravitational potential energy in the process. From whatinitial height did the hawk begin his descent (use 9.8 m/s2 for acceleration due togravity)?
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5. Squids have built in propulsion systems. A squid draws water into its mantlecavity and propels itself forward by forcing the water out through a tube called asiphon. A scientist studying an 8.0 kg squid observes that the squid draws in 0.60kg of water and then ejects the water in 0.15 seconds at a velocity of 15.0 m/s.What is the average force on the squid during the propulsion?A 45 NB 60 NC 90 ND 800 N
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A farmer wants to create a new breed of tomato thst is sweet tasting has very low quantity of seeds and grows well in the hot and humid Georgia climate
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how would you use measure the length of a shoe
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A rocket designed for vertical takeoff has a mass of 5398kg. Find the net work done on the rocket as it accelerates upward at 2.0m/s through a distance of 30.0m starting from rest
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A bullet is fired vertically upward and returns to the ground in 20 s.What was the bullet's initial velocity
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Which undergoes the larger change in gravitational potential energy when dropped: a blue ball that is 20 feet above the ground, or a red one with the same mass that is 10 feet above the bottom of a nearby 50-foot-deep well?
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Balance the following chemical equation B+F2>BF3
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The __________ field of the earth is produced in part by the flow of hot liquid iron near the earth's core.
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Adaline walks 2.0 miles north to school from her house. After school, she walks 2.0 miles south from the school to her house. What is her displacement?0 miles1.0 miles, north2.0 miles, south4.0 miles, north
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8. Which formula gives you the measure of how much work has beendone?a. work input = Fe x Deb. efficiency = work output/ work inputc. MA = effort arm + resistance armd. work force x distance=
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a plastic toy has a density of 2.65g/cm3 and a mass of 55.78g. What is the volume in cm3
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