Physics

A softball and a basketball start from rest and roll down an incline. Which ball reaches the bottom first?
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HELP Due right now A 1345-kg car moving east at 15.7m/s is struck by a 1923-kg car moving north. They stick together and move with a velocity of 14.5m / s at theta = 63.5 degrees Was the north-moving car exceeding the 20.1m / s speed limit?
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Please help me Think about a time when you walked down an empty hallwayand heard the echo of your footsteps. Write what you thinkcaused the echo.
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A 7 kg ball of clay traveling at 12 m/s collides with a 25 kg ball of clay traveling in thesame direction at 6 m/s. What is their combined speed if the two balls stick togetherwhen they touch?
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A 1980-kg car is traveling with a speed of 15.5 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 39.2 m
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The question is in the attachment!!
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Alex (31kg) and Cassie (19Kg) sit on a 10kg metre-long see-saw at the local park. The pivot of the see-saw is in the middle of its length. If Cassie sits at one end of the see-saw, where relative to the other end must Alex sit so the net torque is balanced? (unit:metres)
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Different between : Metalloids and alloys
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Your friend phred says ""i decided to make one of those online personality tests as a project in my psychology class. how hard can it be?"" part a: explain whether or not phred should use the following personality theories as a basis for his online personality test. psychoanalytic perspective humanistic theory trait theory
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The two graphs shown represent the motion of two blocks with different masses, m1 and m2. The blocks are oscillating on identical springs. Which of the following statements correctly describes the relationship between m1 and m2 and provides evidence from the graphs?
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I will be giving the brainliest to whoever.What is the PERCENT efficiency if a computer is supplied with 500 J of energy and is able to convert 400 J to useful energy?A. 0.8 %B. 8 %C. 80 %D. 800 %
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You research your favorite topic: earthquakes. You build a tall LEGO building, and you want to know which type of motion is most damaging to your building. You discover in your research that side-to-side motion is the worst. You will place the building on a piece of wood and shake it for durations of 30 seconds, 60 seconds, and 90 seconds. You will try an up-and-down motion and side-to-side motion.
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A carrot has a mass of 69 grams and a volume of 150 cubic centimeters. Calculate itsdensity.
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What is the difference between a moon and a planet.
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What are the three symbols used in Ohm's law. Explain what each symbol represents and give the units for each of the variables.
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Infrared light and visible light are both waves on the electromagnetic spectrum. Identify twoother similarities between infrared and visible light.
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Two metal spheres having charges of 4. 0 106 coulomb and 2. 0 105 coulomb, respectively, are brought into contact and then separated. After separation, the charge on each sphere is
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Find the kinetic energy k of the block at the moment labeled b. express your answer in terms of k and a.
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You see a car that appears very small, so you assume that it must be far from you. You are using the monocular cue of
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A car of mass 1000 kg moves 3 km east in a straight line and then 4 km north. What is the total distance and displacement of the car from the initial position?The net (resultant) force on the car isSelect one:a) distance = 7 km and displacement = 5 kmb) distance = 5 km and displacement =7 km.c) distance = 25 km and displacement =7 km.d) distance = 7 km and displacement = 25 km
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explain how a deflection magnetometer can be used to find the horizontal component of the Earth's magnetic field
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A round tube weighs 30 lbs. If the tube is stood on end it pushes down on the floor with a pressure of2 lbs/in?. How many square inches is the end of the tube?
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Seismic waves do not travel along the Earths surface. Please select the best answer from the choices provided T F.
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A proton is moving south with a speed of 4500 m/s in a magnetic field of 5500 T directed into the page. Determine the magnitude and direction of the magnetic force on the charge.a.3.96 x 10-12 N westb.1.55 x 1026 westc.1.55 x 1026 eastd.3.96 x 10-12 N east
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