Ultimate Physics Study Guide - Questions & Answers

How fast would an inline skater have been traveling if he had covered 400 m in 10seconds?
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An electromotive force E(t) = 200, 0 t 50 0, t > 50 is applied to an LR-series circuit in which the inductance is 50 henries and the resistance is 5 ohms. Find the current i(t) if i(0) = 0.
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Enterprising students set an enormous slip-n-slide (a plastic sheet covered in water to reduce friction) on flat ground. If the slip-n-slide is 250 meters long. a. How small does the average acceleration have to be for a student starting at 5 meters/second to slide to the end?b. If the acceleration is 0.34 m/s^2, what is the minimum initial speed a student would have to run to make it to the end? Is this speed possible?
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Two bodies, A and B, have equal kinetic energies. The mass of A is nine times that of B. The ratio of the momentum of A to that of B is:_______a. 1:9b. 1:3c. 1:1d. 3:1e. 9:1
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A pole-vaulter just clears the bar at 5.53 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3200 J. What is his weight?
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what is measurement ?
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The most important thing for determining and object's inertia is....
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A branch swept into a Category 3 hurricane has a centripetal acceleration of 0.028 m/s2. Estimate the radius of the storm is wind speeds are53 m/s
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A body moves with a velocity of 30.0 m/s.This speed is increased to 40 m/s in 4.0s.Calculatea) the average acceleration of the body.b) the distance covered by the body.
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The formula for calculating density, D, is D=MV, where M represents mass and V represents volume.For liquids, volume is often given in cubic centimeters (cc), which is the same as cm 3. If the density of an unknown liquid is 1.6 g/cc, what is the mass of 800 cc of the unknown liquid in grams (g)?
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An object that does not vibrate cannot produces what? A.soundB.lightC.heatD.electricity
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What happens to the sound an object makes when the speed of vibrtions decreases (slowdown?)
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What normal force does a horizontal table exert on a 3.5 kg book that sits at rest?
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5 Which has the greatest average speed?A. a boat sailing 80 km in 2 hoursB. a car driving 90 km in 3 hoursc. a train traveling 120 km in 3 hoursD. a truck moving 50 km in 1 hour
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What happens if you decrease the kinetic energy of the substance? What would happen if you increased the kinetic energy of a substance?
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2. An archer shoots an arrow. The action force is the bowstring against the arrow, The reaction force is...a. Air resistance against the bowb. Arrow's push against the bowstringc. Grip of the archer's hand on the bow
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any two masses will be
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If a car is traveling at an average speed of 70 kilometers per hour how long does it take the car to travel 14 kilometers
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what happens to the wave length and frequency of a wave as it crosses a different medium and speeds
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What is the velocity of a car that travels 200 meters In 8 seconds?
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From Earth stars appear very dim, but in space they are quite bright. From Earth we are seeing the starsA) absolute magnitudeB) apparent magnitudeC) available magnitudeD) absent magnitude
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I NEED HELP PLEASEE ITS AN ECONOMICS QUESTION ABOVE
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my mom is dum and anoying asl, what should i do?
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In the decimal number 40.04672, what number is in the 100th's (hundredths, 1/100s)place?
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