Master Physics with Fun Quizzes & Brain Teasers!

Given a 500 kg cart which rests at the top of a hill. The cart then rolls down to the bottom of the hill. If the velocity of the cart at the bottom of the hill = 14.0 m/s then what is the height of the hill?
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1. Car traveling at 34.6m/s has an acceleration of -3.4m/s. What is the car'svelocity after 3s?#1
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Calculate the total resistance for:A. Three resistors, each 20 , connected in series.B. Three resistors, each 20 , connected in parallel.C. Three resistors, each 20 , connected in parallel, which are then connected to three resistors, each 20 , connected in series.
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5. A car is traveling at 20 0 m/s when the driver sees a child standing in the road. Thedriver takes8 s to react, then steps on the brakes and slows at 5.0 ms. Once thebrakes are pressed, the car stops in an additional 4 seconds. How far does the cartravel before it stops from when the driver sees the child?Help please !!
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Hello, I needed help with a physics assignment. It is fill-in-the-blanks; however, there aren't any word choices.
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Question is attached below
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Construct a ray diagram showing the position orientation and size of the image formed by the spiritual mirror of the object
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This graph illustrates the change in the velocity over time air an object. What conclusion can you draw about the force acting on the object
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What is the average kinetic energy (in J) of helium atoms in a region of the solar corona where the temperature is 5.70 10^5 K?
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Win is sailboarding. Starting from rest near the shore, they accelerate with a uniform acceleration of 2.09 m/s^2. How far (in m) are they from shore after 10.6 seconds
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A power source of of 3.07 W produces an intensity of 5.18 W/m2. What must be the surface area that is vibrated?15.9 m0.593 m1.69 m2.11 W
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Rebecca's family uses their house's heating system to stay warm in the winter. How do they know when their system is at equilibrium?A. The house temperature balances the set temperature and the system shuts off.B. The house temperature is changing and the system is rapidly changing from on to off then back again.C. The house temperature is lower than the set temperature and heat is on.D. The house temperature is higher than the set temperature and the cooling is on.
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an object have an acceleration of 8m/s/s. if the net force acting upon the object is decreased by a factor of 2 and the mass is increased by a factor of 4, then the new acceleration would be?
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numner 5 part a and b and c and d
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a car moving on the road with the rain is falling vertically downward. why does the front windscreen get wet where is the back screen remains dry?
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If it requires 3 J of work to move a charge of 0.5 C through an unknown voltage, what is the magnitude of the voltage?
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If a drag racer wins the final round of her race by going an average speed of 198.37 miles per hour in 4.537 seconds, what distance did he cover?1) 157,401 miles2) 2.500 miles3) 0.2500 miles4) 0.0121 miles
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This wave is created by shaking the end of a string with a frequency of 30 Hz. Thegraph shows a snap-shot of how the string looks at a specific time.10643Oyx (cm)At what speed does this wave travel through the string?60 cm/s20 cm/s10 cm/s
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A car traveling at a constant 15.0 m/s travels 35.0 m, how long did it take?(Input your answer with 1 decimal place, round accordingly)
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10) A force produces power P by doing work Win a time T. What power will be produced by a force that does six times as much workin half as much time?Select one:O A. (1/12)PO B. (1/6)P C. O D. 6PO E. 12P Star
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6. A turkey runs across the highway. He is moving at a speed of 2m/s. It takes him5 seconds. What distance did the turkey run? *
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If based on your weight, if you hit the ground with a velocity of 10m/s, what height did you fall from? Use PE (mgh) and KE (1/2mv^2) to solve.I weigh 107
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a (9x10^-5)C and (6x10^-4)C charge are 3 meters apart, how much force is created between the two?
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I need help figuring out the work by the force on block, the work done by gravity on the block and the magnitude of the normal force between the block and the wall
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