The question below was asked before but this seems to, Ask an Expert

Academics

The question below was asked before, but this seems to ignore that the launching machine should have static friction as well, and that would certainly affect initial velocity. I think we have to take into account static friction as well in the calculation, and I guess assume an impulse time of .001 seconds, unless I am totally off track. Given this information, what would be the static friction, assuming all the other parameters given? A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. This causes the machine to slide 1.122 meters in the opposite direction before coming to a rest.

a) What is the machine's velocity?

b) How long did it take to go the 1.122 meters?

c) What was the momentum of the machine?

d) What was the force necessary to move this machine?

e) What was its acceleration during this time?

f) What is the coefficient of kinetic friction?

g) What surfaces are likely to cause this friction?

h) How far would the launching machine slide on the Moon?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9897478

Have any Question?Write your Review or question?

Related Questions in Physics

A soccer player kicks the ball that travels a distance of

A soccer player kicks the ball that travels a distance of 45.0 m on a level field. The ball leaves his foot at an initial speed of (v0) and an angle of 25.0° above the ground. Find the initial speed (v0) of the ball.

Question a physics student uses a force p of magnitude 70n

Question: A physics student uses a force P of magnitude 70N and angle = 50 degrees (with respect to the horizontal) to push a 5.2 kg block across the ceiling of her room, as shown in the figure to the right. The coeffici ...

Question what is the potential difference across the 10

Question: What is the potential difference across the 10 Ω resistor in the figure ? What is the potential difference across the 20 Ω resistor in the figure?

Question the starter motor of a car engine draws a current

Question: The starter motor of a car engine draws a current of 170 A from the battery. The copper wire to the motor is 5.80 mm in diameter and 1.2 m long. The starter motor runs for 0.670 s until the car engine starts. A ...

Question the outstretched hands and arms of a figure skater

Question: The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center . When his hands and arms are brought in and wrapped around his ...

Question point charges q1 200 muc and q2 -200 muc are

Question: Point charges q1 = +2.00 (mu)C and q2 = -2.00 (mu)C are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty c ...

Question a ring of radius r has total charge qa at what

Question: A ring of radius R has total charge Q. A) At what distance along the z-axis is the electric field strength a maximum? Express your answer in terms of R. B) What is the electric field strength at this point? Exp ...

Additional problem 1unpolarized light passes through two

ADDITIONAL PROBLEM 1 Unpolarized light passes through two polarizers whose transmission axes are at an angle # with respect to each other. What should be the angle # between the transmission axes of the polarizers if it ...

A projectile is launched at an angle of 120deg above the

A projectile is launched at an angle of 12.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 175 m from the launch point and 11.0 m above the launch level?

Question 1rob was supposed to spend his two-week school

Question 1: Rob was supposed to spend his two-week school work experience at his local auto-repair shop. Unfortunately, his time on the job only lasted two days. On day two, Rob was asked to get the 1-liter air tool oil ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert