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Physics
Page 50
Questions (147,404)
The bottom wave has a greater blank
3 answers
asked by
beooooo
213 views
find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?
4 answers
asked by
Anonymous
1,455 views
How much heat in kcal must be added to 0.32 kg of water at room temperature (20°C) to raise its temperature to 36°C?
5 answers
asked by
Anonymous
3,693 views
If we could increase the height of the ramp to start at 12 meters. How would this affect the overall Kinetic & Potential Energy
3 answers
asked anonymously
90 views
A series RL circuit has two resistors and two inductors. The resistors dissipate 7 W and 12 W. The inductive powers are 15 VARs
3 answers
asked by
Zyro The monster
460 views
a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h?
please show steps to
4 answers
asked by
ash
1,051 views
Identify the sources of energy used to power a cell phone and other energies that it can transform into.
I put Electrical Energy
5 answers
asked by
Rezu
964 views
A uniform rod AB is 2m Long. The rod, which exerts a downward force of 60N at its center, is placed on a knife edge support
4 answers
asked by
Isaac
923 views
A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function
3 answers
asked by
please help
2,164 views
If you divide force (kg* m/s2) by acceleration (m/s2), what units do you get?
kg*m2/s4 kg 1/kg m/s
4 answers
asked by
Gianna
2,072 views
A 600- newton diver dives off a 10 meter platform. If it takes 2 seconds to hit the water, what is the diver's power?
4 answers
asked by
Porky
954 views
A spring with a force constant of 111 Nm is attached to the ceiling. When an unknown mass is attached it pulls the spring down
4 answers
asked by
anonymous
1,386 views
determine the overall efficiency of a motor that deliveries 2 horsepower to a load if it draws 7.5 amperes when connected to a
4 answers
asked by
Carlos Velazquez
1,603 views
A temperature gauge reads 95° F. Which of the following is the correct conversion to degrees Celsius? (Note: ° C = 5/ g[° F
4 answers
asked by
Roberta
4,903 views
1.Two stones are dropped from the top of a tower at an interval of 3 seconds.the relative velocity of the first Stone with
4 answers
asked by
Nasrin
812 views
answers for the Efficiency of Machines Quick Check
6 answers
asked by
hey
2,363 views
The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in
6 answers
asked by
Treavonne
3,489 views
A boat moves with a velocity of 15m/s north in a river, which flows with a velocity of 8m/ s west. Calculate the boat resistant
5 answers
asked by
Mathews
4,371 views
A student drops a 350-gram rock and a 500-gram rock into a pool from a height of 8 meters. Which statement about the
7 answers
asked by
Addison
2,000 views
How do the speeds of light waves and sound waves compare?
Sound waves can travel faster depending on the medium. Sound waves
5 answers
asked by
noodles
2,448 views
The volume V of gas varies inversely as the pressure P on it. If the volume is 240 cm^3 under pressure of 30 kg/cm^2, what
6 answers
asked by
Gennelle
4,320 views
Which of the following choices correctly describes the behavior of the sound wave as it moves from metal to air?
The sound wave
4 answers
asked by
HELP!
2,739 views
analyzing the motion of a projectile: a projectile is fired from a cliff 200 feet above the water at an inclination of 45
5 answers
asked by
steph
6,281 views
A skateboarder with mass ms = 42 kg is standing at the top of a ramp which is hy = 3.7 m above the ground. The skateboarder then
4 answers
asked by
carlo
9,680 views
A platinum coil has a resistance of 3.146(ohms) at 40'C and 3.767(ohms) at 100'C. Find the resistance and the temperature
7 answers
asked by
Xyler
7,300 views
A ball is dropped from a height of 60.0 m. A second ball is thrown from the height 0.850 s later. If both balls reach the ground
5 answers
asked by
Ella
2,546 views
A 0.140-kg baseball is pitched horizontally at 36.7 m/s. When a player hits the ball, it moves at the same speed, but in the
5 answers
asked by
JLW Physics
5,504 views
if an aluminum cube has a mass of 20g and the length of each side was 2 cm, between what two liquids would it float?
6 answers
asked by
Anonymous
2,923 views
A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner
5 answers
asked by
Brit
5,922 views
how do u investigate how the range of alpha particles in air is affected by air pressure?
Like..a method and what materials that
14 answers
asked by
AllyKat
1,969 views
A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.2 cm
10 answers
asked by
Amber
2,962 views
A rectangular tank weighs 310kg,when it is half full of water and 450kg ,when it is three quarter full of water.What is the
7 answers
asked by
Olubunmi
3,598 views
What is the electromagnetic force?
4 answers
asked by
Jay
2,406 views
A 62.0 kg skier is moving at 6.50 m/s on a frictionless, horizontal snow covered plateau when she encounters a rough patch 3.50
5 answers
asked by
Anonymous
4,200 views
Which situation describes a negative acceleration?(1 point)
Responses a diver jumping off a diving board and falling to the
4 answers
asked by
Carlos Jimenez
499 views
calculate the mass in kg of an object that weighs 1225 n on earth
5 answers
asked by
Corey
3,521 views
A heat pump is proposed that uses 50 degree F ground water to heat a house to 70 Degree F. The groundwater experiences a
4 answers
asked by
chris
2,007 views
A circus artist drops a ball from a high wire. The ball takes 1.5 seconds to reach the ground.
I) Find the height of the ball
5 answers
asked by
John B
2,450 views
a jogging path is 400 meters long. a jogger travels the entire length in 90 seconds.what is the speedof the jogger?
5 answers
asked by
lakshimi
1,700 views
A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by
s(t) = -16t^(2)+128t At
4 answers
asked by
Keonn'a
3,720 views
Is it possible to have very little power but use a lot of energy? How?
4 answers
asked by
Pedro
1,099 views
A falling boulder hits the ground at a velocity of 15 m/s, losing 1,200 kg m/s of momentum to the Earth when it stops. What is
4 answers
asked by
asdf
1,468 views
A Pendulum 45cm long swings through a vertical angle of 30degrees. Find the distance of the altitude through which the pendulum
7 answers
asked by
Nazharia
3,646 views
a 0.5kgball falls into a heap of sand from a height of 10m above the sand. it comes to rest 2.5m beneath the surface of sand.
4 answers
asked by
Raveen
1,677 views
What is the same sprinter’s velocity if she has a momentum of 400 kg m/s?
4 answers
asked by
ramon
1,720 views
The end of a 40-in pendulum describes an are of 5 in. Through what angle does the pendulum swing?
5 answers
asked by
Wilda
1,087 views
A +6.00 µC charge is moving with a speed of 7.00 x 10^4 m/s parallel to a very long, straight wire. The wire is 5.00 cm from
7 answers
asked by
Mary
5,384 views
Two people are holding a box. One person exerts a force of 140 pounds at an angle of 65.5 degrees with the horizontal. The other
4 answers
asked by
Jane Smith
2,515 views
A ball is thrown vertically downward with a velocity of 12m/s How far has the ball fallen 1 s later?. 2s later?
5 answers
asked by
Anonymous
2,199 views
Which object will experience the strongest gravitational attraction to Earth?(1 point)
a notebook a desk a bowling ball a car
5 answers
asked by
father
1,375 views
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