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Physics
Page 83
Questions (147,215)
A spring is compressed .02m by a 0.5kg rock. The spring and rock are on a frictionless horizontal table.
a) If the spring has a
1 answer
asked by
Josiah
391 views
Explain how energy, time, and power are related.
1 answer
asked by
Anonymous
409 views
What quantitative information do you need to calculate each of the measurements of an object's motion
Displacement: Average
1 answer
asked by
Tpark
521 views
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter
1 answer
asked by
Bob
410 views
does anyone know what the rate of sound waves is for 12.6hz?
Never mind got it
1 answer
asked by
Harry
347 views
Newton showed that the motion of comets is controlled by gravitational attraction of gravity. Many comets move in elliptical
1 answer
asked by
Ishani
405 views
A 75 kg man on a 39kg cart traveling at a speed of 2.3 m/s. He jumps off with zero horizontal speed realative to the ground.
2 answers
asked by
Brian
467 views
A ball rolls off the edge of a balcony at 8.0 m/s. Find its speed after 3.8 s in the air. Use g = 10. m/s2
4 answers
asked by
Jessica-- Please help!
407 views
A coil is wrapped around the full length of a tube through which a soft iron rod is inserted. An aluminium ring is placed over
1 answer
asked by
Ishani
387 views
The tension on a string from which a 5.00kg object is suspended in an elevator is T=(44.0j)N. What is the acceleration of the
1 answer
asked by
Sabrina
436 views
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 2.10 m above the floor with a speed of 7.30
1 answer
asked by
Mary
442 views
A football is kicked 65 m. If the ball is in the air for 4.3 s, find its horizontal velocity vx. Enter m/s as unit and use g =
1 answer
asked by
Jessica-- Please help!
445 views
the dimensions of torque are the same as those of energy. Why it would nevertheless be inappropriate to measure torque in
1 answer
asked by
Ishani
414 views
Which electromagnetic radiation:
a)will diffract round hills b) can be used to cook food c)can themometers detect d)cause skin
1 answer
asked by
Jessica
471 views
Is it possible for an object to have an acceleration when the velocity of the object is constant?
yes no not enough information
1 answer
asked by
Mary
309 views
Is it possible for an object to have an acceleration when the speed of the object is constant?
yes no not enough information to
1 answer
asked by
Mary
409 views
why are you not harmed by the greater-than-1000°C sparks from a Fourth of July-type sparkler?
The sparks, while hot (high
1 answer
asked by
Naomi
421 views
Why is it desirable to use monochromatic light when studying polarization by reflection?
It is desirable to reduce the number of
1 answer
asked by
Caleb
385 views
WHat happens to a pendulum's kinetic energy when it stops moving???
at the top? It has transformed to gravitaional potential
1 answer
asked by
Dave
395 views
When hitting a golf ball, does the force of gravity increase or decrease??
increase Why is a beaker more acurrate to use when
1 answer
asked by
John
337 views
When hitting a golf ball, does the force of gravity increase or decrease??
1 answer
asked by
John
368 views
How do you calculate the wave speed of waves that are 0.15 m apart, and have a frequency of 2 Hz?
Wavelength is given, frequency
1 answer
asked by
Sam
428 views
Why are igloos made of ice, aren't they supposed to keep warm?
Igloos are supposed to protect from the outside temperature and
1 answer
asked by
Kranji Secondary School
354 views
Is a small or large decay constant best for protection against gamma radiation? Hint: Calculate half thickness.
Example: Decay
1 answer
asked by
Caleb
415 views
I hope someone can help me, cause i am so confused.
Pressure gradient-why can't submarines go to the bottem of the ocean? please
1 answer
asked by
Georgia
394 views
The four tires of an automobile are infalted to an absolute pressure of 2.0*10^5 Pa. Each tire has an area of 0.024m^2 in
1 answer
asked by
Anonymous
420 views
The probability that an electron will return to a lower energy level by emitting a photon is called
a. spontaneous emission b.
1 answer
asked by
Anonymous
434 views
Which of the following is an example of a baryon?
a. meson b. electron c. lepton d. proton and neutron I saw a sight online that
1 answer
asked by
Anonymous
397 views
A car travalling 90km/h, applies breaks with a force of 8400N to act on the 1050kg car.
a) what is the acceleration of the car
1 answer
asked by
Zam
418 views
I have a question that I don't understand, could you please help me? Thanks!
Heres my question: A package falls off a truck that
1 answer
asked by
Soly
420 views
I have a question. What is the difference between gravitational mass and intertial mass?
http://www.thefreedictionary.com/gravita
1 answer
asked by
Ashlee
436 views
Car A is traveling at 84 km/h while Car B is traveling at 58 km/h. What is the relative velocity of Car A to Car B if they both
4 answers
asked by
Jayd
383 views
Car A is traveling at 84 km/h while Car B is traveling at 58 km/h. What is the relative velocity of Car A to Car B if they both
1 answer
asked by
Jayd
392 views
I have an ice cube :3000 KG,the tempereture is about 50 (cel).would you please let me know how much does it take long for it to
1 answer
asked by
Ali
341 views
I have a forumla question. I have this formula x=1/2t^2. Is this the formula to find the acceleration that is caused by gravity?
1 answer
asked by
Soly
279 views
How do you find maxium height when a ball is hit from a height of 0.08m and has a intial velocity of +7.5 m/s straight up?
1 answer
asked by
Sara
295 views
A rocket traveling at 165 m/s is accelerated at a rate of -32.0 m/s.
a) How long will it take before the instantaneous speed is 0
5 answers
asked by
Jayd
425 views
I am not to sure if my accuracy which is 126.34% and my precision 35.92% are good? I think my accuracy is good, but my precision
1 answer
asked by
Jess
305 views
What resistance must be placed in parallel with a 152 resistor to make the equivalent resistance 111 ?
Please help!!!!!
1 answer
asked by
Jim
365 views
Two resistors, 46.0 and 64.0 , are connected in parallel. The current through the 64.0 resistor is 3.40 A.
(a) Determine the
1 answer
asked by
Jim
420 views
If the earth had no atmosphere, what would the color of the sky be during the day?
1 answer
asked by
Anonymous
306 views
If you are driving at 65mph along a straight road and you look to the side for 2 seconds, how far do you travel during this
1 answer
asked by
Tammy
441 views
A dip needle is a small magnet mounted on a horizontal axis sot that it can swivel up or down. Where on eath will it point most
1 answer
asked by
Judy
416 views
fire places are usually built so has to be very shallow with high backs. often they have structures to hold the burning logs
1 answer
asked by
manny
383 views
Killer whales at Sea Worl routinely jump 8 m above the water. What is their speed as they leave the water to achieve this?
I know
1 answer
asked by
Tammy
413 views
Rearrange the following kinematics equation for the variable iondicated:
a)d=v1t+1/2at^2 i)v1 ii)a b)d=v2t-1/2at^2 i)v2 ii)a
2 answers
asked by
Katie
491 views
How do I convert 289 kilograms/square meter into grams/square centimeter?
1 answer
asked by
Jane
347 views
On a postition versus time graph to find the acceleration you would simply find the area under the graph right? and how would
1 answer
asked by
Tammy
425 views
If a cart and rider are pulled with a constant force of 74.0 N, and the friction force is 29.0 N, how fast will the cart and
4 answers
asked by
Scott
387 views
I am doing this exercise for physics class where I have to place a penny on a ruler and balance it. And I don't understand what
1 answer
asked by
Soly
389 views
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