Two metal balls are the same size but ball A weighs 20 N and ball B weighs 10 N. Ball B is dropped one second before ball A from the roof of a 100 m tall building to the sidewalk below. If the effects of air can be ignored, then at what point will ball A catch up to ball B.

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A:

Q: M = mass of meter stick 5 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 m1 m2 Mass m1 = 300…

A: Given: m1=300 gm2=69 gM=129 g

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A: Momentum concept.

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A:

Q: A certain ping-pong ball has mass of 2.4 g and a terminal speed of 10.0 m/s as it falls through air.…

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Q: A 2.7-kg cart is rolling along a frictionless, horizontal track towards a 1.8-kg cart that is held…

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Q: One end of a cylindrical pipe has a radius of 2.2 cm. Water (density = 1.0 × 10³ kg/m³) streams…

A: Radius of the cylindrical pipe at one end, r=2.2 cm=2.2×10-2 m Speed of the water flow at this end,…

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A: As h=4.2 km =4200 m   And horizontal distance x= 8242.96 m Then distance travelled by Patriot Rocket…

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A: Solution:We know that the terminal speed of an object in a fluid is given as:v= 2 mgρACwhere, m is…

Q: A ball of 150 g mass moves with 12 m/s and bounces back after hitting a wall with 20 m/s after a…

A: Given data: Mass (m) = 150 g = 0.150 kg Initial velocity (v0) = 12 m/s Final velocity (v) = 20 m/s,…

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Q: A 86-kg astronaut and a 1200-kg satellite are at rest relative to the space shuttle. The astronaut…

A: Write the given values with the suitable variables. m=86 kgM=1200 kgu=0.18 m/st=7.5 s Here, m is the…

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A:

Q: Two objects with different masses have the same momentum. The less massive object will have a…

A: solution is given as

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A: Given data:The mass of the black ball is m1=3.45 kg.The initial speed of the black ball is v1=4…

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Q: roblem 1: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a v = 2.5i m/s.…

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A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”