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Physics
Page 99
Questions (146,382)
What equations should I use to calculate the effective value of g, the acceleration of gravity (in meters/second^2), at 5800 km
1 answer
asked by
Adolfo
425 views
Two students are on a balcony 29.4 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same
1 answer
asked by
grace
402 views
suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What
1 answer
asked by
Lisa
337 views
suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What
1 answer
asked by
Lisa
314 views
write on (i) Cloud chamber (ii) pressurized water reactor (iii) breeder reactor
1 answer
asked by
Robert
369 views
A roller coaster (340. kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are
1 answer
asked by
Xavier
394 views
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the
1 answer
asked by
Xavier
406 views
what is calculus
1 answer
asked by
TaNisha
399 views
An elevator is moving down with an acceleration of 2.46 m/s^2. What would be the apparent weight of a 66 kg man in the elevator?
1 answer
asked by
M
403 views
.17 kg hockey puck initial velocity 21 m/s stops 62m away. what is coefficient of friction?
1 answer
asked by
Bob
345 views
An object of mass 1.25 kg on a flat surface has two forces acting on it, F1 and F2 in the horizantal direction. F1 acts in the
1 answer
asked by
Lisa
430 views
A 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that
1 answer
asked by
Christina
430 views
I tried working this out and I got 495 which is wrong. im not sure what to do.
A two-stage rocket moves in space at a constant
1 answer
asked by
Xavier
363 views
You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what
1 answer
asked by
Alexis
362 views
A two-stage rocket moves in space at a constant velocity of 5100 m/s. The two stages are then separated by a small explosive
1 answer
asked by
Velocityof two stage rocket
427 views
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 16 m/s
1 answer
asked by
alex
448 views
During a car race two cars,a ferarri and a mercedes crashed.The ferarri was travelling at a speed of 340km/h an the mercedes was
1 answer
asked by
Sivashen
404 views
What does the symbols u and u' stand for?
1 answer
asked by
anon
284 views
A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at
1 answer
asked by
Kristan
382 views
If 500 grams of a metal requires 70 calories of energy to raise its temperature by 10 Kelvin, what is its specific heat?
1 answer
asked by
John
419 views
Sam is taking his girlfriend Sally out for a ride in his boat. He starts out at rest. He accelerates with an acceleration of
1 answer
asked by
Andy
435 views
How much force would need to be exerted on a merry-go-round with a mass of 178 kg and a radius of 2.4 m to make the speed of a
1 answer
asked by
Anonymous
310 views
Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1600 kg.
I've
1 answer
asked by
Kyle
401 views
Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1600 kg.
I know
1 answer
asked by
Elizabeth
430 views
Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1600 kg.
I know
1 answer
asked by
Elizabeth
422 views
How long would it take for the Earth to complete a full turn if a person at 32.6° northern geographical latitude floats
1 answer
asked by
Victor
398 views
Calculate the earth's orbital angular speed in radians/sec due to its motion around th sun.
1 answer
asked by
Cathy
373 views
Suppose I have a circular metal disk spinning at a constant angular velocity. Now imagine near to, but not in contact with the
1 answer
asked by
Mark
403 views
Which way does the magnetic vector B point in the vicinity of the Earth's North Pole?
A. Upward B Downward C. Horizontally D.
1 answer
asked by
Jessica
407 views
What property of Maxwells equations results in electromagnetic waves?
A. Moving charges create B B. There are no magnetic
1 answer
asked by
Jessica
374 views
Dumping sealed containers from ship decks that are 2 meters above the water surface. With a final depth of 100 meters.
Find the
1 answer
asked by
Christopher
364 views
a 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that
4 answers
asked by
Christina
416 views
A car (mass 980 kg) drives up a hill (height 335 m) in 146 seconds. At the bottom of the hill, it has a speed of 23 m/s, but at
1 answer
asked by
Layla
403 views
A heavy freight train has a mass of 11800 metric tons. If the locomotive can pull with a force of 691000 N, how long does it
1 answer
asked by
rob
338 views
Forces of 11.5 N north, 20.4 N east, and 15.7 N south are simultaneously applied to a 3.74 kg mass as it rests on an air table.
1 answer
asked by
Bala
320 views
What angular speed (in revolutions/second) is needed for a centrifuge to produce an acceleration of 1000g at a radius arm of
1 answer
asked by
Tommy
400 views
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant
1 answer
asked by
Diana
366 views
Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table.
1 answer
asked by
Jane
376 views
A ball is launched horizontally from the top of a 320 m high building. For the first 7 seconds of flight, make a table of the
1 answer
asked by
pat
429 views
A swimming pool 16.0 m by 9.1 m and uniform depth is 2.0 m. What will be the pressure against the side of the pool near the
1 answer
asked by
robin
407 views
A 10 kg ball moving due west at 2m/sec collided with a 4kg ball that is moving due east at 3m/sec. you determine that
1 answer
asked by
Jael
411 views
How many calories of heat are gained to turn 10 grams of ice at 0 C into water at 0 C?
1 answer
asked by
Amanda
384 views
A rock climber part way up a cliff face drops a piton and it falls for 2.0 s before hitting the ground. How high up is he?
1 answer
asked by
Pauline
415 views
What is the force necessary to accelerate an object with a mass of 115 kg and and an acceleration of 6 m/s2 (squared) east?
1 answer
asked by
George
319 views
A skydiver has an air resistance force of 1193 N and a mass of 94 kg, what is her current acceleration?
Take down to be POSITIVE
1 answer
asked by
keith
384 views
A skydiver has a terminal velocity of 9.0 m/s. If they have a mass of 98, what is their k value for their air resistance?
Use g =
1 answer
asked by
keith
357 views
If a 1-kg mass fell toward Earth from a large distance where it had zero relative velocity, what would be the velocity at the
1 answer
asked by
Jennifer
385 views
In a very simple model of the lower atmosphere, air has a constant density of 1.25 kg/m3. How much would the air pressure change
1 answer
asked by
Emma
392 views
Two identical 21.6-kg spheres of radius 14 cm are 31.0 cm apart (center-to-center distance).
(a) If they are released from rest
1 answer
asked by
Oscar
402 views
A 1.24 kg block is held against a spring of force constant 1.0 104 N/m, compressing it a distance of 0.29 m. How fast is the
1 answer
asked by
Sean
426 views
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