Homework Answers
m1 x v1 = m2 x v2
v2 = v of book = 108 x 0.18 / 2.9 = 6.7034 m/s
in case of any doubt, please do comment sir
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QUESTION 12 You find yourself stuck in outer space with nothing but your physics book and...
3) Static friction Feel for yourself: Hold a book on your outstretched, perfectly horizontal hand. Quickly...
3) Static friction Feel for yourself: Hold a book on your outstretched, perfectly horizontal hand. Quickly starting to move the book horizontally (speeding up) by moving your hand forward (that is, away from you) a) Which direction is your skin pulled by the book? Forward / backward (circle one) (hint: if you can't tell, you can exaggerate the effect by trying to move the book forward slowly while holding it back with your other hand) b) Which direction is the...
Your friend, Sally Geek again, knows you are taking physics 132 at Calpoly Pomona. She invites...
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1.) You are in a spaceship at rest in deep space, outside the influence of any...
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. On your way to your first stop, the Moon, you do the standard tourist things:...
.
On your way to your first stop, the Moon, you do the standard
tourist things: First, you check out your what your weight will be
on the Moon. Please don’t look up lunar gravity. Calculate it
instead from the values given above. Show all formulas used and
calculations below.
Weight on Earth (lbs.) : 600N or 132lb
Weight on Moon (lbs.):
Everyone loves to jump on the moon! So how high will you be able
to jump? try jumping...
Topic IVB: Momentum carried by an electromagnetic wave You are on a spacewalk on the Internationa...
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Problem 3.28 Your answer is partially correct. Try again (a) In outer space, far from other...
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Physics Question: Please provide an answer with shown work! Problem 9.12 Part A Friends throw snowballs...
Physics Question: Please provide an answer with shown work!
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Shortly after the start of a dogsled race, you find yourself pulling your supplies across the...
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A ball rolls onto the path of your car as you drive down a quiet neighborhood...
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3) Static friction Feel for yourself: Hold a book on your outstretched, perfectly horizontal hand. Quickly starting to move the book horizontally (speeding up) by moving your hand forward (that is, away from you) a) Which direction is your skin pulled by the book? Forward / backward (circle one) (hint: if you can't tell, you can exaggerate the effect by trying to move the book forward slowly while holding it back with your other hand) b) Which direction is the...
39. What happens to a spaceship flying through space with no engines and no external forces acting on the spaceship? A. It gradually slows down. B. It gradually speeds up. C. Its speed doesn't change. D. We have no idea what happens to the spaceship. 40. A 10-N horizontal force is applied to a box that weighs 24 N. If the box does not move on the horizontal surface (m.- 0.5), what is the force of friction? A. 5 N...
1.) You are in a spaceship at rest in deep space, outside the influence of any gravity. Without fuel, your vessel has a mass of 5,750 kg and its rocket engine expels exhaust at a speed of 8,250 m/s. You want to travel to an outpost that is quite far away, and you decide to accelerate to a speed of 12,500 m/s, coast for some time, and then slow down to a stop. A) What is the minimum mass of...
.
On your way to your first stop, the Moon, you do the standard
tourist things: First, you check out your what your weight will be
on the Moon. Please don’t look up lunar gravity. Calculate it
instead from the values given above. Show all formulas used and
calculations below.
Weight on Earth (lbs.) : 600N or 132lb
Weight on Moon (lbs.):
Everyone loves to jump on the moon! So how high will you be able
to jump? try jumping...
Topic IVB: Momentum carried by an electromagnetic wave You are on a spacewalk on the International Space Station. You get separated from the station, and try to use your space suit's rockets to push you back. Unfortunately, they run out of fuel. Now you are a distance of 23.5 m from the station, with zero speed relative to the station. You are carrying a 210 W flashlight. You decide to turn on the flashlight and use it as a "light...
Problem 3.28 Your answer is partially correct. Try again (a) In outer space, far from other objects, block 1 of mass 56 kg is at position $9, 7, 0x m, and block 2 of mass 1450 kg is located at postion <14, 7, 0> m. What is the ( acting on block 2 due to block 17 It helps to make a sketch of the situation. were at rest at the positions given above. At 4.8 Seconds after noon, what...
Physics Question: Please provide an answer with shown work!
Problem 9.12 Part A Friends throw snowballs at the wall of a 3.0 m × 6.0 m barn. The snowballs have mass 0.10 kg and hit the wall moving at an average speed of 6.0 m/s. They do not rebound. Determine the average pressure exerted by the snowballs on the wall if 60 snowballs hit the wall each second Express your answer to two significant figures and include the appropriate units....
A ball rolls onto the path of your car as you drive down a quiet neighborhood street. To avoid hitting the child that runs to retrieve the ball, you apply your brakes for 1.40 s. The car slows down from that 15.0 m/s to 9.00 m/s. The mass of the car is 1140 kg. During the time the brakes were applied, what was the average force exerted on your car? How far did the car move while braking? The weight...
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