Master Physics with Fun Quizzes & Brain Teasers!

4. Object A has a mass of 10 kg and is moving at 5 m/s. Object B has a mass of 8 kg and is moving at 2 m/s. They then collide, and object B continues moving with a velocity of 4 m/s after the collision.a. What is the total initial momentum of object A and B?b. What should be the total final momentum of object A and B?c. What is the final velocity of object A?
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A projectile is launched at an angle of 60 degrees above the horizontal. Compared to the vertical component of the initial velocity of the projectile, the vertical component of the projectile's velocity when it has reached its maximum height is(1) smaller(2) larger(3) the same
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The free-body diagram below represents the force of several vehicles driving across a bridge. Assume that the bridge is in static equilibrium and that it has zero weight, and solve for the unknown reaction force.
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How do satellites stay in orbit and why would a satellite come crashing down to earth
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Select the correct answer.Frogs lay spherical eggs that are 1.2 millimeters in diameter. Nutrients are absorbed through the egg's surface. What is the approximate area of a frog egg's surface?A. B. C. D.
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Diane is training for a marathon and goes to the track (400 m) to run every morning.If Diane runs around the track 10 times, what is the distance in meters that she travels? Do not include the unit in your answer.
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Help me answer this. Here, the distance to school is representing the remaining distance left to lucy while traveling to school.
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A clown car is traveling with a velocity of 35 m/s and has a mass of 957 kg. Identify the energy (PE or KE) and calculate the it.
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While working out, a man performed 500 J of work in 8 seconds. What washis power?A. 4000 WB. 62.5 WC. 500 WD. 38.5 W
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Find the number of subsets when a die is rolled.A.48B.36C.216D.64
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5. A 950 kg car is driven up a hill at constant velocity of 7 m/s, where 1200 N of friction and drag oppose its motion. How do I do a?
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What is 2 divided by 2? 2/2
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A pedestrian tries to cross the street while texting and gets hit by a bicycle with object experiences a greater force the bicycle or the pedestrian
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Three forces act on a wooden crate that is initially at rest as shown below. Determine the net force acting on the crate and describe the resulting motion of the crate
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Draw a displacement-time graph for a body moving with uniform velocity
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Gamma radiation is used for...Select one:a. communication.b. cancer therapy.c. radar.d. heating objects.
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How do I solve this? I need this done asap
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Which would most likely occur if the angle of Earth's axis decreases Winters would be drier. Summers would be warmer.o Summers would be wetter. Winters would be warmer.
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which one has the highest momentum?the moving car or the truck at rest?1. car2. truck3.both of them
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Two forces are applied to a doorknob, perpendicular to the door. The first force is twice as large as the second force. The ratio of the torque of the first to the torque of the second isSelect one:a. 8b. 1/2c. 2d. 1/4e. 4
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By what percentage does the drag force on a car increase as it goes from 61 km/h to 113 km/h?
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You inject your patient with 2.5-mL of medicine. If the inside diameter of the 31-gauge needle is 0.114 mm and theinjection lasts 0.90 s.1) Determine the speed of the fluid as it leaves the needle. (Express your answer to two significant figures.)
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What is the potential energy of an object that has a mass of 115 kg and is 6 meters high?130.8 Jb6762 Jc1380 Jd676.2 J
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the principal quality Criterion of natural gas is its heating value in the total calorific (heating) value of fuel gas produced or solid in natural gas is 1150 BTU / standard ft(exponent3).how much energy can a tank with a volume of 59.4 cubic ft produce? (this is the question)I just need a brief explanation with answer
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