Scientist devise a plan to launch a rocket and inelastically stop an asteroid headed toward earth. The mass of the asteroid is 7500 kg and it is approaching earth at 85m/s. If the rocket has mass of 900kg approximately what velocity must it have to complete stop the asteroid? -708m/s -305m/s 68m/s 151m/s

Q: Glider A is 200 gram and travels at 5 m/s to the right toward glider B which is initially at rest on…

A: Given that, the mass of glider A is mA=200g=0.2kg the initial velocity of glider A is uA=5m/s the…

Q: Two boys, Ted and Larry, initially at rest, push each other apart on a frictionless surface. Ted has…

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Q: Impact extinction 65 million years ago over 50% of all species became extinct, ending the reign of…

A: A) Using conservation of momentum, mAvA=mA+mEvv=vAmAmA+mE Change in velocity of earth is,…

Q: A spacecraft of mass 1250 kg is docked (attached) to a space station of mass 5830 kg. Both are…

A: Given data as per question m1    =  1250kg m2   =  5830kg u =    7840m/s v1   =  6350m/s

Q: At the center of a 50-mm-diameter circular ice rink, a 78 kg skater traveling north at 2.5 m/s…

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Q: QUESTION 13 You fire a soft rubber pellet at a target sitting motionless on a frictionless surface.…

A: A soft rubber pellet is fired at a target sitting on a frictionless table initially at rest. The…

Q: A student throws a 1.8kg ball horizontally off the top of a building with an initial speed 3.85 m/s.…

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Q: A 15 kg car moving at 20 m/s to the east it’s a 2500 kg truck moving at 15 m/s to the west. The car…

A: Collisions occur when objects strike together. It can be an elastic collision or inelastic collision…

Q: CHAPTER 11 Most geologists believe that the dinosaurs became extinct 65 million years ago when a…

A: We are given mass of asteroid. We are also given the velocity of the asteroid before collision. We…

Q: In a football game, one player (a "tackle") running at a constant speed of 5 m/s tackles another…

A: Given quantities: mass of tackle (M) = 140 kg velocity of tackle before collision (u) = 5 m/s…

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A: . The resultant force applied is equal to the rate of change of momentum and it is given by the…

Q: Batman who has a mass of 37.0kg is flying through the air with an initial velocity of 24.0m/s when…

A: answer  velocity after collision is=7.03 ms-1(i.e in direction of initial velocity of batman)…

Q: A 1.65 kg falcon catches a 0.495 kg dove from behind in midair. What is their velocity after impact…

A: Conservation of momentum: According to the the total Conservation of momentum the total momentum of…

Q: 45-g baseball was hit with an average force of 115 N over a distance of 5.75 m. What is the speed of…

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Q: A 5.0 kg shark swimming 1.0m/s swallows an 1.0 kg fish swimming toward it with a velocity 5.0 m/s.…

A: Using conservation of momentum m1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2

Q: A 68 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending…

A: Given Data:-  Mass of the player is M=68 kg Mass of the ball is m=0.45 kg Velocity of the player…

Q: A projectile of 1.0-kg mass approaches a stationary body of 5.0 kg at 10.0 m/s and, after colliding,…

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Q: A 250 g cart is travelling at 15 m/s to the right. It collides inelastically with another cart…

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Q: A 3000 kg truck moves at 10 m/s collides with a 1000 kg car traveling at 30 m/s in the same…

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Q: A 10kg disk is initially traveling with an initial velocity of 5m/s î when it collides with a 5kg…

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Q: A 7990 kg space probe, moving nose-first toward Jupiter at 97.4 m/s relative to the Sun, fires its…

A: Given, Mass of space probe, M =   Velocity of space probe, Mass of ejected gas, m =   Velocity of…

Q: A 40kg girl gets on a 10kg wagon at ground level with two 5 kg bricks. She throws the bricks…

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Q: Two objects collide . The first object, m 1 =3.7kg , is traveling at 4 m/s and strikes a second…

A: Given data: The mass of first object is m1=3.7 kg. The velocity of first object is v1=4 m/s. The…

Q: An object at rest explodes into two fragments, one 4 times more massive than the other. The ratio of…

A: Given data:  Initially object at rest Then explodes into two fragments Mass of second fragment (m')…

Q: A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart as shown in the figure. The cart is…

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Q: calculate the magnitude of the linear momentum for the following cases. A. a proton with a mass…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: Ethan, whose mass is 80 kg, stands at one end of a very long, stationary wheeled cart that has a…

A: According conservation of momentum, initial momentum of the system is equal to the final momentum of…

Q: A 50 lb child runs at 2.0 m/s and jumps onto a shopping cart and holds on for dear life. The cart…

A: Mass of child = 50 lb = 22.679 kg v =2 m/s mass of the cart = 40 kg

Q: You Fire a soft Rubber pellet at a target sitting motionless on a frictionless surface. If the…

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Q: A 53,000-kg rail car is moving at 2.80 m/s as it approaches a conveyor belt. As it passes under the…

A: Given Data : The mass of the rail car is given as m1 = 53000Kg. The velocity of the rail car is…

Q: A 50.0-kg boy runs at a speed of 8.5 m/s and jumps onto a cart as shown in the figure. The cart is…

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Q: A 1,400 kg car traveling at 31 m/s has a head-on collision with a 55,000 kg tank traveling at 5.0…

A: Given: The mass (m1) of the car is 1400 kg. The speed (v1) of the car is 31 m/s. The mass (m2) of…

Q: Two cars, each with a mass of 900 kg, collide and stick together. One was initially moving at 80…

A: Velocity after collision is 11.11 m/s

Q: A 5 kg grocery cart is moving to the right with a speed of 2.0m/s collides with a 6 kg grocery cart…

A: Given data:  Mass of first cart (m1) = 5 kg Initial velocity of first cart (v1) = 2.0 m/s, to the…

Q: Problem 10: Starting from rest, the final speed of a fire extinguisher-toy wagon rocket experiment…

A: Initially speed of rocket,v1= 0 m/s Final speed of rocket,v2=11 m/s initially total mass of…

Q: #641 caviy dasty sonulah av colajobrut A Example H: A 75 kg man throws a 25 kg package at 6.0 m/s…

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Q: Matthew Damon is a 70-kg astronaut on a space-walk outside the international space station. He is at…

A: Given data:  m1 = 70 kg and m2 = 2.0 kg Speed of the hammer away from space station v2 = 14 m/s…

Q: A space vehicle is traveling at 3840 km/h relative to Earth when the exhausted rocket motor is…

A: Given : Velocity of the space vehicle = 3840 km/h Relative velocity = 94 km/h

Q: A knife thrower throws a knife toward a 300 g target that is sliding in her direction at a speed of…

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Q: 1). A 2500 kg asteroid is traveling through empty space at 340 m/s. The asteroid explodes into two…

A: It is given that

Q: A 1.65-kg falcon catches a 0.375-kg dove from behind in midair. What is their velocity after impact…

A:

Q: A 1500-kg car traveling at 90 m/s toward the east suddenly collides with a 3000-kg car traveling at…

A: Velocity of 1500 kg car before collision, u1 = 90 m/s towards east Velocity of 3000 kg car before…