A 6500-kg railroad car travels alone on a level frictionless track with a constant speed of 16.0 m/s. A 2500-kg load, initally at rest, is dropped onto the car.  What will be the car's new speed? Express your answer to three significant figures and include the appropriate units.

Q: A 75-g ball is dropped from rest from a height of 2.2 m. It bounces off the floor and rebounds to a…

A:

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.8 m…

A:

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.2 m…

A: Let the velocities of the masses m1 & m2 are respectively u1 & u2 before collision and v1…

Q: As shown in the figure below, two blocks (m1 and m2) are each released from rest at a height of h =…

A:

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.8 m…

A: Given : height = 2.8m mass of block1 =m1 mass of block 2 m2= 2m1 coefficient of kinetic fraction…

Q: In Figure, block 1 of mass m1=1.5kg slides from rest along a frictionless ramp from height h =2.50 m…

A:

Q: The superheroine Xanaxa, who has a mass of 63.5 kg, is pursuing the 74.3 kg archvillain Lexlax. She…

A: Mass of the super heroine m=63.5 kg When she dives off from the building the change in height is…

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.7 m…

A: Ques:

Q: A 0.576-kg ball, initially moving with a speed of 2.93 m/s, bounces off a wall and then moves with a…

A:

Q: A(n) 1.45 kg skateboard is coasting along the pavement at a speed of 7.04 m/s when a(n) 0.356 kg cat…

A:

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h= 3.2 m…

A:

Q: Emma and Katie are racing along in their new wagon. Upon reaching the bottom of the hill traveling…

A: Given Katie speed at the bottom of the hill = u = 13.2 m/s Distance between Katie and her teddy bear…

Q: In the figure, block 1 of mass my slides from rest along a frictionless ramp from height h = 2.1 m…

A:

Q: An open train car, with a mass of 2190 kg, coasts along a horizontal track at the speed 2.17 m/s.…

A: Let us calculate the car speed v, as shown below:

Q: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain…

A: Given: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps…

Q: A soft ball (m = 0.14 kg) moving horizontally to the right hits a wall with a speed of 16.2 m/s.…

A:

Q: A 87 kg man lying on a surface of negligible friction shoves a 74g stone away from himself, giving…

A: Given data: Mass of man (mm) = 87 kg Mass of stone (ms) = 74 g Speed of the stone (vs) = 7.3 m/s…

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.7 m…

A:

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.6 m…

A:

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.7 m…

A: Elastic collision : An elastic collision is a collision in which there is no net loss in kinetic…

Q: The head of a hammer (m = 1.5 kg) moving at 4.5 m/s strikes a nail and bounces back with the same…

A: according to newton's second law Fnet=∆P∆t ∆P is change in momentum∆t is time taken   since it is…

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.3 m…

A:

Q: A bullet of mass m initially traveling at speed v imbeds itself in a wooden block and travelsΔx…

A:

Q: In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is…

A: Apply principle of conservation of momentum along horizontal and vertical direction Along horizontal…

Q: A 0.0200-kg bullet is shot horizontally and collides with a 3.65-kg block of wood. The bullet embeds…

A: We can solve the above question using conservation of momentum and work-energy theorem.   Note:- as…

Q: A railway car of mass 1.37 x104kg, rolling at 20.0 km/h [N] collides with another railway car of…

A: Image-1

Q: A 0.543-kg ball, initially moving with a speed of 2.67 m/s, bounces off a wall and then moves with a…

A:

Q: 107.5-kg rugby player is initially running at 8.5 m/s in the positive direction, but collides…

A:

Q: One object moves in the positive ? direction with speed ?. Another object moves in the opposite…

A: Given data :  Speed of object 1 = V in positive direction Speed of object 2 = V In negative…

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.4 m…

A:

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.3 m…

A:

Q: What is the acceleration of a 5000 kg rocket taking off from the Moon, where the acceleration  due…

A: Given data:  Mass of rocket (m) = 5000 kg Acceleration due to gravity (g) = 1.6 m/s2 Mass flow rate…

Q: A 0.0052kg bullet moving at 672m/s strikes a 0.7kg wooden block at rest on a frictionless surface.…

A:

Q: In the figure, block 1 of mass m slides from rest along a frictionless ramp from height h = 2.4 m…

A:

Q: A 0.53 kg billiard ball initially at rest is given a speed of 14 m/s during a time interval of 5.0…

A: Average force is,

Q: A 1.00×104 kg railroad car is rolling at 3.00 m/sm/s when a 6000 kg load of gravel is suddenly…

A: Given value--- Mass = 1 × 10⁴ kg. speed = 3 m/s. gravel mass = 6000 kg. We have to find--- final…

Q: During an automobile crash test, a 1000 kg car is sent towards a cement wall at a speed of 14 m/sec…

A:

Q: "A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed…

A:

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 3.1 m…

A:

Q: Two beads, one blue and one green, are threaded on a wire, which is bent in the shape shown in the…

A:

Q: A 91 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself, giving…

A:

Q: A glider (Glider #1) has a mass of 15.2 g and is initially moving at a speed of 19.3 cm/s on a…

A:

Q: At the center of a 50 m -diameter circular ice rink, a 75 kg skater traveling north at 2.5 m/s…

A:

Q: A train engine’s mass is 22500 kg and is moving at 25 m/sec, and hits an empty train car with a mass…

A:

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2 m and…

A:

Q: In the figure here, a 7.0 g bullet moving directly upward at 870 m/s strikes and passes through the…

A: Using the law of conservation of momentum,