Question

A 6.5 kg mess kit sliding on a frictionless surface explodes into two 3.25 kg parts, one moving at 2.5 m/s, due north, and the other at 5.5 m/s, 30° north of east. What was the original speed of the mess kit?

[Answer] m/s

Answer #1

A 6.0 kg mess kit sliding on a frictionless surface explodes
into two 3.0 kg parts: 2.0 m/s, due north, and 5.5 m/s, 30° north
of east. What was the original speed of the mess kit?

A 5.40 kg mess kit sliding on a frictionless surface
explodes into two 2.70 kg parts, one moving at
3.50 m/s , due North, and the other at
5.50 m/s , 29.0 degrees North of East.
1.) What is the original speed of the mess kit?
2.) In what direction was the mess kit originally traveling?
Give your answer as an angle in degrees measured CCW from due East
(when looking Down); the size of the angle should be less than 180
degrees. If the...

Two blocks slide on a collision course across a frictionless
surface, as in the figure. The resulting collision is inelastic.
The first block has mass ,M = 1.40 kg and is
initially sliding due north at a speed of
Vi = 9.15 m/s. The
second block has mass ,m = 7.20 ✕ 10−2
kg and is initially sliding at a speed
of vi =
11.5 m/s directed at an angle θ = 27.5° south of east.
Immediately after the inelastic collision,...

A 8.00kg block is sliding east at 5.00m/s on a horizontal,
frictionless surface. It then undergoes a collision with a 6.00kg
block that was moving with an unknown initial velocity. After the
collision, the 8.00kg block is moving north with a speed of 2m/s.
Assuming the collision lasts for 40.0ms, a) Find the average force
exerted on the 6.00kg block by the 8.00kg block.

A
firecracker is placed inside a pumpkin. The pumpkin is slid along a
frictionless horizontal surface at 5.82m/s. While the pumpkin is
sliding it explodes into two pieces, one piece is twice as massive
as the other. After the explosion, the larger piece is moving with
three times the speed of the smaller piece. How fast is the larger
plece moving? Give your answer in meters per second.

A 124 kg shell fired from cannon explodes and breaks into two
equal parts at some height. after explosion, one part moves with
speed of 112 m/s at an angle of 30 degrees above the horizontal,
and the other part moves with a speed of 80 m/s at an angle of 45
degrees below the horizontal. What was the b=velocity of the shell
before explosion?

Answers + steps
1. A 2.0 kg block sliding on a frictionless horizontal surface
is attached to one end of a horizontal spring (k = 600 N/m) which
has its other end fixed. The speed of the block when the spring is
extended is 0.20 m is equal to 3.0 m/s. What is the maximum speed
of this block as it oscillates? (Or speed when the spring is fully
relaxed?)
2. A 10 kg object is dropped from rest. After...

One yak, (m1) with a mass 500 kg is sitting still on a
frictionless surface when a smaller yak (m2) charges into it at a
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is traveling due north. The smaller yak’s final speed is twice that
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the smaller...

A 6.0 kg block is sliding on a leve, frictionless surface at a
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B) If the ground at the bottom of the incline is level, and if the
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Two identical hockey pucks, each with a mass of 156 grams, are
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(in kg⋅m/s)?
A 1500 kg car and a 4500 kg truck are traveling down the 210
freeway. The car and the truck have the same velocity. Which one...

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