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Physics
Page 100
Questions (147,285)
two long separated friends, june and bill, spot each other in an airport terminal from a distance of 25m. they start to run
1 answer
asked by
Sam
391 views
Hello! I was wondering if I could get some help solving this problem? A car travels at a constant speed of 10.0 m/s along a
1 answer
asked by
Gusty
419 views
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics
4 answers
asked by
karla
676 views
We can account for the energy lost to friction for a sliding object as...
would it be friction force/time traveled?
1 answer
asked by
Angela
293 views
If a soccer ball is kicked at 11.5 m/s at an angle of 41 degrees above horizontal, what is the ball's maximum range?
1 answer
asked by
K
369 views
I need to make a mousetrap car for my physics class. I have to make it so that it can stop, but I won't know at what distance
3 answers
asked by
Heather
340 views
A car brakes from 18 m/s to 6.0m/s in 3.0 seconds. How far did it travel in this time?
I got 36 m...
1 answer
asked by
katelyn
295 views
Can someone please tell me how to calculate the percent of error for a set of data points?
thanks so much!
1 answer
asked by
Happy Face
337 views
"You throw a rock at 25m/s at an angle of 25.8511 degrees hitting a target 50m away on the ground in 2.22s." (this is on a flat
1 answer
asked by
dazedandconfused
415 views
A velociraptor comes at you at 20m/s and it takes you exactly 2.22 seconds to hit the switch for the door which takes 3 seconds
1 answer
asked by
WaywardSon
368 views
If an object weighs 70 pounds and it gets hit by a truck with a force of 7400 N, and there is a frictional force of -35 N, what
1 answer
asked by
Geoff
386 views
In a completely elastic collisions a ball with speed of 4 m/s and mass of 100 g hits another ball with mass of 200 g, which is
1 answer
asked by
winget
426 views
Calculate the electric power produced by a wind mill, when the wind speed is 10 m/s and the radius of the rotor circle (wing
1 answer
asked by
winget
434 views
A large piece of wood, of mass 56 kg, falls over a waterfall and into the drop pool below. It enters the pool travelling at 12
1 answer
asked by
Rebecca
387 views
An artillery gun is trying to hit a target that is 7.2 km away. If the shell is fired at 680 ms-1 at what angle above the
1 answer
asked by
Rebecca
417 views
An aeroplane flies from Achester to Beeton taking 7.7 hours however the return flight takes 11.4 hours. This difference is
1 answer
asked by
Rebecca
397 views
An aeroplane flies from Achester to Beeton taking 7.7 hours however the return flight takes 11.4 hours. This difference is
1 answer
asked by
Rebecca
332 views
A golfer rides in a golf cart at an average speed of 3.10 m/s for 23.0 s. She then gets out of the cart and starts walking at an
1 answer
asked by
Sean
426 views
Have you ever wondered what to do with your unused pet while on vacation? Do you feel bad about just dumping it in some airport
1 answer
asked by
Alex
443 views
A Borg cube starship is zooming past Earth with a speed v=0.97c as shown. The cube has side lengths of 3.03 km. What is its
3 answers
asked by
Alex
357 views
On a velocity-time graph of a person's walk, if a person is slowing down in the positive direction, then acceleration is in the
3 answers
asked by
Emily
370 views
I don't know the answer
1 answer
asked by
Anonymous
229 views
riding in a car at constant velocity and see an open manhole. I take out an watermelon and hold it out window. My speed is 10m/s
1 answer
asked by
Julia
403 views
The jet is moving at 500 m/s in a verticle loop, with a minimum radius of 4000 m.
Calculate the 69-kg pilot's effective weight
1 answer
asked by
Eden
412 views
The sum of 5.2713x10^3 + 6.54014x10^3 expressed to 4 significant figures would be?
1 answer
asked by
peter
340 views
How many m3 are there in 3.0475x10^5 cL, expressed to 3 significant figures?
1 answer
asked by
stacy
314 views
An object is thrown vertically upward with a speed of 31.8 m/s. How long does it take to reach this highest altitude?
1 answer
asked by
Bala
388 views
In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 228.8 m long cannon. The final
1 answer
asked by
Bala
348 views
The coefficient of static friction between the 3.78 kg crate and the 38° incline is 0.306. What minimum force must be applied
1 answer
asked by
Elizabeth
424 views
1. What is (a)the magnitude of the electrostatic force on a 10 microCoulomb charge located at the origin due to a 3 microCoulomb
1 answer
asked by
Heather
410 views
A skier is gliding along at 7.49 m/s on horizontal, frictionless snow. He suddenly starts down a 14.4° incline. His speed at
1 answer
asked by
Bala
414 views
NEGATIVE DIRECTION 10 MILES FOR 3 HOURS, THEN POSITIVE DIRECTION 5 MILES OVER FOR 2 HOURS. WHAT IS HIS DISPLACEMENT? SPEED?
1 answer
asked by
Ajay.
282 views
Free Fall:
Tara throws a baseball down to Nathan. If she throws it with a speed of 2.0m/s and it lands in Nathan's hand with a
3 answers
asked by
Jane
371 views
A 5.0 kg object (m1) is connected to a 10.0 kg object (m2) by a string. If a pulling force F of 20 N is applied to the 5.0 kg
1 answer
asked by
Anonymous
427 views
You drive due east at 78 km/h for 55 min. Then you follow a road going 60 degrees south of east, going 99 km/h for another 38
1 answer
asked by
Marcus
385 views
You are driving to the grocery store at 18.2 m/s. You are 120.0 m from an intersection when the traffic light turns red. Assume
1 answer
asked by
Bala
348 views
You are driving to the grocery store at 18.2 m/s. You are 120.0 m from an intersection when the traffic light turns red. Assume
1 answer
asked by
Bala
374 views
You are driving to the grocery store at 18.2 m/s. You are 120.0 m from an intersection when the traffic light turns red. Assume
1 answer
asked by
Bala
356 views
You are driving to the grocery store at 14.8 m/s. You are 140.0 m from an intersection when the traffic light turns red. Assume
1 answer
asked by
Emily
412 views
A golf club contacts a ball for 0.15 s at angle to horizontal and the ball strikes ground distance from fairway. Initaila speed
1 answer
asked by
LynAnne
371 views
Water flows approx. 0 over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades. Calculate
1 answer
asked by
Rick
436 views
A golf club contacts a ball for 0.15 s at angle to horizontal and the ball strikes ground distance from fairway. Initial speed
3 answers
asked by
LynAnne
443 views
One gram of water is placed in a cylinder and the pressure is maintained at 2.0 x 105 Pa. The temperature of the water is raised
1 answer
asked by
Angel
410 views
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J
1 answer
asked by
Angel
433 views
a 10-kg bos slides down a frictionless ramp with acceleration 3.6 m/s calculate the weight....the angle and normal force
1 answer
asked by
Bolo
376 views
a 10-kg bos slides down a frictionless ramp with acceleration 3.6 m/s calculate the weight....the angle and normal force
1 answer
asked by
Bolo
338 views
a 10-kg bos slides down a frictionless ramp with acceleration 3.6 m/s calculate the weight....the angle and normal force
3 answers
asked by
Bolo
411 views
If I hold a rock at some height and tell you the potential energy there is 25 J, what is it's kinetic energy immediately before
1 answer
asked by
Lena
327 views
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.880 m/s at an
1 answer
asked by
Eric
429 views
If i have ten grains of sand on a flat, 8x8 chessboard, randomly distributed, what is the probabilty that all ten are on the
1 answer
asked by
Jessica
411 views
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