You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 64.8 kg, and the sleds mass is 21.5 kg. You start at rest, and then you jump off the sled, after which the empty sled is traveling at a speed of 4.25 m/s. What will be your speed on the ice after jumping off? 0.71 m/s 2.12 m/s 1.77 m/s 1.41 m/s

Q: Dan is gliding on his skateboard at 4.0 m/s. He jumps backward off the skateboard, kicking the…

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Q: batman is fighting robin in china. Batman climbs a tall building and while standing on the top of…

A: Given that:- Mass of Batman, mb =9.6×10^3 kg Mass of Robin,  mr =3.1×10^3 kgvelocity of Robin before…

Q: During a spacewalk, Dmitri finds himself floating 3 m from his space station's airlock. He only has…

A: Given Data: Distance need to be travelled, s=3 m Time taken, t=1 min=60 s Detachable mass, m=10 kg…

Q: A car with mass 996 kg moving at 28 m/s hits a giant bag of marshmallows.  The bag slows the car…

A: Before hitting,  v1 = 28 m/s , m = 996 kg  After hitting ,                 V2 = ? , m = 996 kg…

Q: A Physics book of unknown mass is dropped from rest 5.5 m. a). Draw a sketch of the scenario. b).…

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Q: A 1.68 kg mass is initially at rest upon a frictionless, horizontal surface.  An applied force of…

A: The mass of the object is 1.68 kg.The initial speed of the object is 0 m/s.The surface is…

Q: A 5.0 N horizontal force is applied to a 2.5 kg cart for 3.8 m (starting with a speed of 0 m/s).…

A: given; horizontal force=5 N Mass = 2.5 kg initial speed is =0 m/s distance =3.8 m final velocity v

Q: A 128 kg astronaut and his equipment are initially at rest. To move forward with a velocity of 2.34…

A: Given data:  Mass (m) = 128 kg Initial velocity (u) = 0 m/s Final velocity (v) = 2.34 m/s Force (F)…

Q: car with a mass of 1100 kg collides head-on with a van having a mass of 2500 k collicion tho vohiclo…

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Q: atomic nucleus initially moving at 375 m/s emits an alpha particle in the direction of its velocity,…

A: Given  Initial speed = u = 375 m/s  Final speed = v = 250 m/s  Mass of alpha particle = Mh = 4 .0 u…

Q: A 120 g grapefruit is dropped from a tall building. What is the magnitude of its momentum after 2.00…

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Q: Gayle runs at a speed of 3.30 m/s and dives on a sled, initially at rest on the top of a…

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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: Cara is skiing down a hill. Her total mass (including the skis) is 70.4 kg. When she reaches the…

A: Given data- Mass of Cara is M=70.4 kg Initial velocity of Cara is v0=6.22 m/s Coefficient of…

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: Judy has a mass of 72.0kg and stands on slippery ice. She catches her leaping dog (mass 15.0kg),…

A: the speed of Judy and her dog after she catches him = ?

Q: A clever coyote uses rocket powered skates to try to catch a roadrunner. The mass of the coyote is…

A: The mass of the coyote: m=38.1 kg Since the coyote starts at rest, it initial velocity is zero, u=0…

Q: hawkeye shoots an arrow with a mass 35g. the force on the arrow as it is shot through the 25 cm bow…

A: The mass of the arrow is given as 35 grams. To use it in our calculations, we need to convert it to…

Q: You have been asked to design a "ballistic spring system" to measure the speed of bullets. A spring…

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Q: Question 12. Two laboratory carts are placed on a frictionless surface. A spring is attached to both…

A: Given Information:- Mass of the cart I is m Mass of the cart II is 2.5m Final speed of the cart I is…

Q: A red 150 g toy car slides down a 40 degree frictionless ramp. At the bottom, just at it exists onto…

A: Let v denote the speed of the purple car, u denote the speed of the red car, M denote the mass of…

Q: You find yourself stuck in outerspace with nothing but your physics book and spacesuit. You have a…

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Q: Dr. Jekyll (m = 70kg) is riding a skateboard when he realizes the cranberry juice he’s drinking is…

A: Given data: Mass of Dr. Jekyll, m=70 kg Initial speed of Dr. Jekyll, u=6.5 m/s Mass of Mr. Hyde,…

Q: Two blocks with masses m1 = 1.4kg and m2 = 4.6kg are at rest on a frictionless surface with a…

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Q: A green archer aims his arrow at a blue eagle. He pulls the bow back 33.7 cm and holds it in…

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Q: Tommy accidentally drops a 50 kg concrete block from the 20 m tall building with what speed does the…

A: The height of a building is, h=20 m The initial speed of the block is, u=0 m/s

Q: You find yourself stuck in outer space with nothing but your physics book and a space suit. You have…

A: Applying the conservation of momentum

Q: One student pulls a car with 20 N to the East. Another student pulls the car with 30 N to the West.…

A: As forces are in opposite direction : Net force = Fnet=30-20=10 Na=2m/s2

Q: A 1300 kg aircraft going 40 m/s collides with a 3000 kg aircraft that is parked and they stick…

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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: Gayle runs at a speed of 3.65 m/s and dives on a sled, initially at rest on the top of a…

A: Page 1

Q: A train car, initially traveling at 40 m/s, approaches 3 identical coupled train cars, which are…

A: Conservation of momentum: The total momentum of the cars before and after the collision is equal.…

Q: Before collision, there are two objects. 1st object M1 = 8 kg V1 = 3m/s 2nd object M2 = 4 kg V2 = 0…

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Q: empty 45 kg cart is traveling at 10.0 m/s on a frictionless track at the amusement park. A sudden…

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Q: A block of mass m and a block of mass 3m are used to sandwich a massless spring with spring constant…

A: Given masses of blocks are  m and 3m Let vm is the velocity of mass m and v3m is the velocity of…

Q: A 10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. They are…

A: Given Data :mass of first cart m1 = 15 kgmass of second cart m2 = 10 kgspeed of first cart v1 = 3…