Solve the equation. (Enter your answers as a comma-separated list. Use n as ar 64 cos² x 16 = 0 X= X -
Q: A body of mass m at rest on the top of a smooth incline slides down. If the height of the incline h…
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Q: A 25kg child sitting 1.3m from the center of a merry go round moves with a speed of 1.2m/s.…
A: Mass of the child is m=25 kgRadius where the child sit, r=1.3 mThe speed of the child is v=1.2 m/s
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A: Given, linear speed v=29.5 m/s centripetal force Fc=2250 angle =50 degree
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Q: In the figure, if h=20 cm and the mass of the ball is 100g ... m/s Vth at point b =....... Then the…
A: Given Height h = 20cm = 0.2m Mass m = 100 gram = 0.1Kg
Q: Find the magnitude of the weight of the ball (in newtons). Your Answer: Answer units
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Q: 15. What is the mass of a stone which accelerates at a rate of 2.0 m/s? when a newtons is placed on…
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Q: 2. A block is pushed up a frictionless plane with an initial speed vo and then released. The plane…
A: Given: A block is released with a initial speed = vo. The inclination of plane = 30o.
Q: When a braking force, F, is applied to a car moving at a speed v, the car comes to a stop in 8.0 s.…
A: Given data: Time taken to stop (t) = 8.0 s Initial velocity (Vi) = v Final velocity (Vf) = 0 New…
Q: Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect…
A: Given, Four identical cannon launch cannonball with angle 600 above the horizontal
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A: The centrifugal force due to rotation is always radially outward (mv2/r) . And the force due to…
Q: d. Cannot be determined How much horizontal force must a girl apply to a 50 kg cabinet to accelerate…
A: Given that acceleration of cabinet, a= 0.4 m/s2 friction force on cabinet, f = 70 N mass of…
Q: It is possible to grasp a cup of water at the top and swing it over your head fast enough that the…
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Q: bläs 4 The net force causing the centripetal acceleration can be evaluated EF = m.ac = m(v^2/r) O EF…
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Q: 1) m, = 5 kg m, = 10 kg e = 30° Hx = 0.3 HK m, Two masses are connected via a tensile string over a…
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Q: 9. You tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.600m.…
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Q: A child sits on the seat of the swing/pulley system shown in the picture. Their friend begins to…
A: Given, Speed of the free end of the rope is = 0.90 m/s Distance to reach the platform in the tree =…
Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…
A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…
Q: 2. Which of the following objects has the most inertia? a. a molecule b. a pen C. a laptop d. а car…
A: Inertia is the resistance offered by an object to any change in its state of motion, or even change…
Q: As a stone falls from the building, what is true about the vertical velocity as each second passes?…
A: Solution: Using the kinematic equation, the final velocity after one second can be obtained as,…
Q: 7. A trebuchet launches heavy rocks by letting heavier barrel of rocks to drop on the other side of…
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Q: The starship Enterprise locks onto an alien ship (whose mass is much greater than the Enterprise's…
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Q: An object weighing 15 N swings at the end of a rope that is 0.86 m long as a simple pendulum. At the…
A: The net force on the object will be the difference of the downwards and upward forces acting on it.…
Q: Many roller coasters have loops where carts roll on a track that curves sharply up into the air. At…
A: Given Mass m = 4560 kg Initial speed u = 0 Final speed (at top of loop ) v =10 m/s Height of loop…
Q: Descending from rest at the last peak (height 20 m above the ground level) on a roller-coaster…
A: Solution: Given: m = mass of car = 750 kg g = gravitational acceleration = 9.81 m/s2 h = height of…
Q: 26. Go A woman is riding a Jet Ski at a speed of 26 m/s and notices a seawall straight ahead. The…
A: To find:- Minimum distance from seawall so as to avoid the crash. Formula used:-
Q: 2. A baggage handler drops your 10.0 kg suitcase on a conveyor belt running at 2.0 m/s. The…
A: Given data: The mass, m=10.0 Kg The speed, v=2.0 m/s The coefficient of static fraction μs=0.50…
Q: 1. Toss a solid object at 22 m/s at a 35° angle from 1.2 m off the ground. (a) How high will it go?…
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Q: circle. Ezra swings the ball so that it always has constant speed of v = 4.82 m/s. The radius of the…
A: Acceleration of the ball - points up. Here net acceleration of ball is centripetal accelration and…
Q: 20. A box moves up a slope while being pushed in the direction shown. If there is friction between…
A: We are given a box. We apply a horizontal push force on box. The box moves upwards. We will discuss…
Q: 7. You put a box on a skateboard and give it a quick push with a certain force. It starts to move.…
A: The correct answer is option (e) Speed up for a little while, go at a constant speed for a while,…
Q: height of 150 feet (46 m) before dropping and going into a vertical loop that has a radius of 19 m.…
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Q: Does the escape speed for an object at the earth’s surface depend on the direction in which it is…
A: Answer: Escape Speed: In physics, the escape speed is represented as the term which is used by a…
Q: (a) 2v (b) (c) 2r (d) 2r (e)
A: Centripetal acceleration is the acceleration that an object experiences when it moves in a circular…
Q: A traditional watch has a second hand 1.5 cm long, from centre to tip. (a) What is the speed of the…
A: Speed = distance /time
Q: A jogger runs along the dike with a speed of 4.2 m/s in a direction 30 degrees above the x-axis.…
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