You awake in the night to find that your living room is on fire. Your one chance to save yourself is to throw something that will hit the back of your bedroom door and close it, giving you a few seconds to escape out the window. You happen to have both a sticky ball of clay and a super-bouncy ball next to your bed, both the same size and same mass. You’ve only time to throw one. Which will it be? Your life depends on making the right choice! Should you.... Throw the Super bouncy ball Throw the ball of clay It doesn't matter. Throw either

Q: A 45 kg boy jumps on a stationary cart with luggage. The velocity of the boy when he jumps is 5.3…

A: Using the conservation of momentum, m1u1+m2u2=m1+m2vm1u1=m1+m2v                  u2=0v=m1u1m1+m2

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: An astronaut with a total mass of 100 kg with his bag cannot return to the spaceship due to the…

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Q: You go on a hot air balloon ride. The total mass of the balloon and the people riding in it is 1000…

A: initial momentum of the balloon and occupants (when it is still carrying the sand) = total mass *…

Q: Johnny, who has a mass of 70 kg, is having fun on a floating dock in the middle of a pond. The dock…

A: Given: Mass of Johny mJ=70 kg Mass of dock mD=200 kg Acceleration of Johny aj=2 m/s2

Q: Two cars collide at an intersection. Car A, with a mass of 2000 kg, is going from west to east,…

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Q: The parking brake on a 2000 kg Cadillac has failed, and it is rolling slowly, at 1 mph, toward a…

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Q: Why Displacement is a vector quantity?

A: Any quantity will be a vector quantity when that quantity will have both magnitude and direction.…

Q: Two cars collide in a head-on collision.  Car 1 has a mass of 1875 kg and was traveling at a speed…

A: Let m1 and m2 denote the masses of car 1 and 2, u1 and u2 denote the speed of car 1 and 2 just…

Q: 4. A 58.5-kg astronaut is doing a repair in space on the orbiting space station. She is at rest…

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Q: S5. The diagram below shows a billiard cue ball A of mass m which is initially moving along the y…

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Q: Mary slides down a snow-covered hill on a large piece of cardboard and then slides across a frozen…

A: Speed of the two of them slide across the ice together on the cardboard is 3.374m/s.

Q: QUESTION 14 Two different sleds with sails attached to them are used in a race on a frictionless,…

A: Hi, you have posted multiple questions without specifying which question to be solved so we will…

Q: An 81 kg fisherman jumps from a dock into a 134 kg rowboat at rest on the West side of the dock. If…

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Q: ou are stranded in a boat in a frictionless sea filled with hungry piranhas.  The mass of the boat,…

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Q: JD is playing with some clay (mass 21-g). He flings it across the room, where it lodges on the hood…

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Q: A car of 1200 kg stays at rest on a horizontal icy rink (no friction at all). David of 60 kg moves…

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Q: A 5 kg dog sits in a stationary, 27 kg sled on a frictionless, icy lake. The dog jumps out of the…

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Q: A 0.38 kg volley ball is traveling at 34 m/s when its hit back over the net by an opposing player…

A: We need to apply the concept of Conservation of energy . The acceleration generated due to the…

Q: A soft rubber pellet is fired at a target sitting motionless on a frictionless surface. If the…

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Q: Mary slides down a snow-covered hill on a large piece of cardboard and then slides across a frozen…

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Q: Casey is driving a 1600 kg car toward the east. She goes through an intersection at a speed of 16…

A: given that, Casey is driving a 1600 kg car toward the east.  speed of 16 m/s (approximately 35 mph),…

Q: Two cars, one with mass m1 = 1200 kg and the other with mass m2 =1050 kg crash in an intersection.…

A: Mass of vehicle A, mA=1200 kg Mass of vehicle B, mB=1050 kg Initial velocity of vehicle A, vA=17 m/s…

Q: A women with the mass 101 kg is standing on a cart with the mass of 351 kg. He jumps off the cart at…

A: Mass of Women is m = 101 kg  Mass of the cart is M = 351 kg  Speed of women relative to the car is V…

Q: A 6040 kg space probe, moving nose-first toward Jupiter at 240 m/s relative to the Sun, fires its…

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Q: A 110 kg running back carries the ball south at 8 m/s. A 130 kg linebacker runs to make the tackle…

A: Given: The mass of the running back is 110 kg. The initial velocity of the running back is 8 m/s in…

Q: A 1000 kg car is moving 35° West of North at 20 m/s. It coll van traveling northward at 30 m/s. What…

A: Given m1=1000 kgθ=35°u1=20 m/sm2=1500 kgu2=30 m/s

Q: A batter hits a 0.334 kg basball that was approaching him at 23.4 m/s and, as a result, the ball…

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Q: A 100-g ball collides with a wall with an initial speed of 10 m/s, and bounces in the opposite…

A: Given that mass of the ball m = 100 g speed v1 = 10 m/s after collision back speed v2 = -10 m/s…

Q: Dan is gliding on his skateboard at 2.0 m/s . He suddenly jumps backward off the skateboard, kicking…

A: Consider the mass of Dan be m1, the mass of the skateboard be m2, the initial speed of Dan be u1,…

Q: A certain carbon monoxide molecule consists of a carbon atom of mass mc = 14 u and an oxygen atom of…

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Q: A golf game is being played on Mars. A 45.0 g golf ball is hit with a club and leaves with a…

A: Solution: a). The mass of the golf ball and the final velocity of the ball has been given. The…

Q: Three children are standing together on a totally frictionless frozen pond. However, their combined…

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Q: A 2,950 kg truck jumps the median and clobbers a 660 kg station wagon in a head-on collision. You…

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Q: Two skaters are facing each other on a frictionless ice.  Aly has a mass of 47 kg and Dave has a…

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Q: An open railroad car of mass 15,000 kg is coasting with a speed of 25 m/s. It rains really hard for…

A: Given data: The mass of the open railroad car is M=15000 kg. The initial speed of the railroad car…

Q: While a giant man stands on the top of a building, an elephant slams into him at a speed of 360 m/s.…

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Q: A 1000-kg car moving at 10.0 m/s suddenly collides with a stationary car of mass 900 kg. If the two…

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Q: A confused 53.kg bowler on ice skates is coasting forwards with speed 20 m/s when he catches a…

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Q: While playing basketball in PE class, a student lost her balance after making a lay-up and collided…

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Q: At the intersection of El Roble road and Paseo Universitario road, a 1000 kg car A traveling east on…

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Q: A 3.0 kg fish is swimming at 1.5 m/s to the right. It swallows(eats) a 0.25 kg fish swimming to the…

A: Given Data : The mass of the fish is given as m1 = 3kg. The velocity of the fish is given as v1=1.5…

Q: a red 755 g cart having a initial speed of 9.85 m/s hits a stationary blue 455-g cart on a physics…

A: Mass of red cart, mr = 0.755 kgMass of blue cart, mb = 0.455 kgInitial velocity of red cart, ur =…

Q: A 5 kg cart is connected to a 3 kg cart. Together they are stationary. They separate and the 5 kg…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500 kg. If the two…

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Q: A 1100-kg car is moving at 20 m/s due north. A 1600-kg car is moving at 19 m/s due east. The two…

A: Here, we calculate the given as follow,