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Physics
Page 72
Questions (146,412)
You set up a ramp on your desk at home. Marbles rolling down the ramp and horizontally off your desk consistantly land 52.0 cm
2 answers
asked by
Anonymous
574 views
Two people are holding up the ends of a 4.40-kg wooden board that is l = 1.60 m long. A m = 7.00-kg box sits on the board, 0.50
2 answers
asked by
Jamison
534 views
Lead 212/82Pb (atomic mass = 211.991871 u) is converted into bismuth 212/83Bi (atomic mass = 211.991255 u) via β- decay. What
2 answers
asked by
DCM
527 views
Blood from an animal is placed in a bottle 2.0 m above a 3.4 cm long needle, of inside diameter 0.35 mm, from which it flows at
3 answers
asked by
tiffany
530 views
A spring has a length of 12 inches when a 2-pound weight is attached, and a length of 18 inches when a 5-pound weight is
1 answer
asked anonymously
147 views
The cannon on a pirate ships shoots cannon balls with a speed of 350m/s (the muzzle velocity). The cannon can be adjusted to
1 answer
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73 views
The cannon on a pirate ships shoots cannon balls with a speed of 350m/s (the muzzle velocity). The cannon can be adjusted to
1 answer
asked anonymously
64 views
Which phrase describes gravitational attraction? (1 point)
• the pull between objects with mass © how objects respond to
1 answer
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51 views
What is the difference between distance and displacement?
a Distance is measured in feet. Displacement is measured in meters b
1 answer
asked anonymously
53 views
A body falling from a high tower travels 40m in the last 2.71 sec of its fall to ground. What is the height of the tower?
2 answers
asked by
gelee
470 views
Calculate the amount of energy required to change 50g of ice to liquid
2 answers
asked by
Mohammad
482 views
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square,
3 answers
asked by
Anonymous
486 views
Which type of wave is most affected by gravity from the Sun and the moon?
1. Electromagnetic 2. Water 3. Seismic 4. Sound
1 answer
asked by
aaa
123 views
What can be done to improve the efficiency of a ramp?
1 answer
asked anonymously
155 views
If a beam of red light and a beam of blue light have exactly the same energy, which beam contains the greater number of photons?
1 answer
asked by
Dallas
488 views
In a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4.0 x 106
atm. When the bomb casing
1 answer
asked by
danny
472 views
Calculate your Kinetic Energy in Joules if you weigh50 kg and you are walking 2 meters/second.
This is what I did: Ep=50kg x
3 answers
asked by
Anonymous
440 views
a car accelerates from rest at a constant rate 'a' for some time. after which it decelerates at a constant rate'b' and comes to
3 answers
asked by
pavatharani
466 views
Investigating Gravity Quick Check
1 of 41 of 4 Items Question Use the table of data from an investigation to answer the question.
1 answer
asked by
only in ohio
103 views
To achieve maximum range across a horizontal surface, the angle at which a projectile must be launched is 90°. True or false?
1 answer
asked anonymously
26 views
Explain why the potential energy increases when ice starts to melt and becomes liquid water
1 answer
asked anonymously
37 views
A shoe and a shirt are released from the same height. They take different amounts of time to fall to the ground. How can this be
1 answer
asked anonymously
50 views
A musician hits a drum with a drumstick. In three to four sentences, explain the collision forces between the drum and
1 answer
asked by
Matt
159 views
A teacher tells her students that the space around a charged particle will exert a force on any other charged particle that is
1 answer
asked by
dee
65 views
Which type of wave can carry energy through a vacuum?(1 point)
A mechanical B seismic C sound D electromagnetic
1 answer
asked by
Anonymous Nobody
95 views
Describe the specific attributes of a prism
1 answer
asked anonymously
294 views
Groups of skydivers need to navigate through the air during a jump to get into a formation. How can skydivers who are below the
1 answer
asked by
only in ohio
26 views
In models of magnetic and electric fields what are field vectors depicted by arrows
1 answer
asked anonymously
81 views
A nickel and a sheet of paper, which have approximately the same mass, are dropped at the same time from the same height. The
1 answer
asked anonymously
38 views
the table of temperatures measured in two areas of a house to answer the question.
Area Temperature (°C) downstairs 22 upstairs
1 answer
asked anonymously
43 views
SCIENCE QUICK CHECK: MODELING WAVES
WHEN DRAWN ON A COORDINATE PLANE WITH THE X-AXIS AS THE BASELINE, A WAVE WITH A CREST THAT IS
1 answer
asked anonymously
118 views
Question
Matt is walking at 1.25 miles per hour to the east. Jaime is walking at 1.25 miles per hour to the south. Which
1 answer
asked anonymously
180 views
Air resistance causes deceleration by blank and free fall has acceleration that is caused by blank.
1 answer
asked anonymously
43 views
What is the momentum of an object?(1 point)
Responses the rate of change in the velocity of an object the rate of change in the
1 answer
asked anonymously
47 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
1 answer
asked by
shhh
100 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
1 answer
asked by
What's down?
39 views
Which statement best describes energy? (1 point)
• Energy is the power derived from the utilization of simple machines. •
1 answer
asked anonymously
78 views
An orange falls off a tree gravity is pulling the orange in which direction
1 answer
asked anonymously
30 views
5.The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The
1 answer
asked by
sal fisher
37 views
The table below shows the result obtained in an experiment to determine the performance of a single sting pulley system with a
1 answer
asked anonymously
22 views
Use the table to answer the question.
Wave Wavelength (meters) Frequency (hertz) W 5 200 X 3 300 The table shows information
11 answers
asked anonymously
71 views
With which class of levers is it possible to increase the force that must be applied?(1 point)
Responses Class 3 and 4 Class 3
1 answer
asked by
u dont know me
32 views
Waves have energy that causes particles in matter to vibrate. So, it stands to reason that(1 point)
Responses the higher the
1 answer
asked anonymously
29 views
Which term describes the resting position of a wave?(1 point) Responses crest crest equilibrium equilibrium frequency frequency
1 answer
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20 views
The girl in the picture is at the highest point in swinging and starts to come down. Which statement best describes the changes
1 answer
asked anonymously
53 views
Mark is conducting an experiment to show how an object’s kinetic energy is affected by its mass and velocity. First, he lets
1 answer
asked anonymously
25 views
Which object has the greatest kinetic energy?
1 answer
asked anonymously
18 views
Which question can Rebecca ask if she is trying to determine if a wave is electromagnetic?(1 point) Responses Can the wave
1 answer
asked by
Mujika
35 views
What can be done to improve the efficiency of a ramp?
1 answer
asked anonymously
74 views
A student moves the end of a compressed coiled spring up and down to demonstrate wave motion. She then moves the compressed
1 answer
asked by
Demon
42 views
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