subject
Physics, 16.02.2021 01:40 Annabeans1105

12. An 8 g bullet is fired from a rifle. The bullet passes through a 10 cm plank. This reduces the bullet's velocity from 400 m. s-1 west to 300 m. s-1 west.
a) Calculate the bullet's initial momentum.
b) Calculate the bullet's final momentum.
c) Calculate the bullet's change in momentum.
d) Draw a labelled vector diagram to illustrate the bullet's initial, final and
change in momentum vectors.

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 21:30, yfnal3x
How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?
Answers: 1
image
Physics, 22.06.2019 06:40, alicemareus
Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm
Answers: 1
image
Physics, 22.06.2019 20:30, justaguy15
Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?
Answers: 2
image
Physics, 22.06.2019 23:00, harlon852
In which of these cases are the two wave points considered to be in phase with each other?
Answers: 1
You know the right answer?
12. An 8 g bullet is fired from a rifle. The bullet passes through a 10 cm plank. This reduces the...

Questions in other subjects: