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Physics
Page 53
Questions (146,461)
A 2.0 m wire segment carrying a current of 0.60 A oriented parallel to a uniform magnetic field of 0.50 T experiences a force of
6 answers
asked by
edward
11,328 views
The path of a projectile fired at a 30 degree angle to the horizontal is best described as
1.parabolic 2.linear 3.circular
5 answers
asked by
lin
3,422 views
a diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 degrees celcius. What is the
6 answers
asked by
Lauren
13,335 views
A freight train has a mass of 1.5 107 kg. If the locomotive can exert a constant pull of 6.9 105 N, how long does it take to
5 answers
asked by
smh
2,938 views
A man pulls a crate of mass 53.0 kg across a level floor. He pulls with a force of 180.0 N at an angle of 28.0° above the
6 answers
asked by
Courtney
3,170 views
You're in an airplane that flies horizontally with speed 860 km/h (240 m/s ) when an engine falls off. Neglecting air
5 answers
asked by
aaron
6,314 views
A rock is thrown upward with a velocity of 15 meters per second from the top of a 49 meter high cliff, and it misses the cliff
5 answers
asked by
pam
2,530 views
a force of 200 N is exerted at an angle 30 degrees with respect to the horizontal on an object whose mass is 30kg. the
4 answers
asked by
christoper allen
1,852 views
What pressure (in atmospheres) will be exerted by 1.3 moles of gas in a 13 litre flask at 22 degrees Celcius? (Gas constant (R)
4 answers
asked by
Anonymous
3,181 views
positively charged particle is fixed in place, unable to move. Another positively charged particle is brought near and released.
4 answers
asked by
Anonymous
1,270 views
If α = 40°, β = 60°, and M = 4.0 kg, determine the tension in string 1 & 2.
-------/ / 1 /2 / . . . Blockmass Alpha is on the
4 answers
asked by
joy
4,513 views
In the figure below,
m1 = 10.9 kg and m2 = 3.7 kg. The coefficient of static friction between m1 and the horizontal surface is
4 answers
asked by
Meagan
5,072 views
a mover uses a ramp to pull a 1000 newton cart up to the floor of his truck 0.8 meters high if it takes a force or 200 newtons
7 answers
asked by
hunter
4,462 views
An electron is accelerated through a uniform electric field
of magnitude 2.5 3 102 N/C with an initial speed of 1.2 3 106 m/s
4 answers
asked by
pa
1,156 views
If a scuba diver descends too quickly into the sea, the internal pressure on each eardrum remains at atmospheric pressure while
4 answers
asked by
kate
3,573 views
a 2.0kg object is pulled horizontally by a force of 6.3N along the floor where the coefficient of kinetic friction is o.24. what
4 answers
asked by
liz
2,325 views
A golf ball and a bowling ball both move at the same speed and collide head on do you think will move backward when they hit?
4 answers
asked by
l
1,028 views
An object weighs 0.25N in air and
0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a
5 answers
asked by
somay
1,913 views
Find The Potential Energy Of A Boy Mass 10kg Standing On A Building Floor Of 10 Metres Above Ground Level. 10*10*10 =1000
6 answers
asked by
Davido
2,991 views
A ball is fastened to one end of a 30cm string, and the other end is held fixed to a support. the ball whirls in a horizontal
4 answers
asked by
Liz
4,282 views
(a) How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 30.0 cm in diameter
4 answers
asked by
J
2,711 views
A 10-kilogram body is constrained to move along the x-axis. The potential energy U of the body in joules is given as a function
7 answers
asked by
Hannah
3,794 views
A boat is pulled through a canal by horses walking parallel to the canal and exerting a force of 1000 N on a tow rope 40 meters
4 answers
asked by
Dylan
1,962 views
A force of 80N acts on a body initially at rest and moves 72m in 6s. If the force is removed after 6s calculate how far the body
5 answers
asked by
jay
1,429 views
the speed of an object at the end of 4 successive seconds is 20,25,30 and 35 meters per second,respectively.the acceleration of
6 answers
asked by
komal yaseen
2,254 views
two planets of masses "m" and "M" respectively. have a center to center separation of "R".At what distance from the center of
5 answers
asked by
m sani
2,303 views
"Two springs are hooked together and one end is attached to a ceiling. Spring A has a spring constant of 25N/m, and spring B has
5 answers
asked by
Stuck
2,956 views
A ball of mass 0.15kg is dropped from rest at a height of 1.25m. it rebounds from the floor to reach a height of 0.960n. what
7 answers
asked by
natali
6,328 views
Dear Dr.,
What formula is this? En = -Z^2RH/n^2 I saw you use it in one of your explanations. I know its been a few yrs since u
4 answers
asked by
Johan
860 views
you are driving a 2520.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
5 answers
asked by
James
2,665 views
a simple pendulum has a period of 4.2sec. when the pendulum is shortened by 1 m the period is 3.7s. what is the acceleration of
7 answers
asked by
la roux
4,335 views
True or False:
1. Mass and weight are both independent of gravity. 2. Your weight on the moon is the same as your weight on the
5 answers
asked by
Sky
5,118 views
The gravitational force of attraction between two students sitting at their desks in physics class is 2.34 ✕ 10^-8 N. If one
7 answers
asked by
Ana
5,573 views
how much heat is required to warm 10 grams of ice from -10 celsius to 0 celsius? (specific heat of ice= 0.5 cal/g.C?)
5 answers
asked by
pub
2,864 views
How would the dx2−y2 orbital in the n=5 shell compare to the dx2−y2 orbital in the n=3 subshell?
True or False 1.The contour
9 answers
asked by
Kristine
21,862 views
a 45N lithograph is supported by two wires. One wire makes a 25 angle with the vertical and the other makes a 15 angle with the
4 answers
asked by
Ashley
3,723 views
A 4.00 µF capacitor is connected to a 18.0 V battery. How much energy is stored in the capacitor?
This should be a relatively
4 answers
asked by
Physics
5,383 views
A 15.0 kg stone slides down a snow-covered hill (the figure (Figure 1)), leaving point A with a speed of 10.0 m/s . There is no
4 answers
asked by
Markos
3,440 views
A horizontal force of 100 N pushes a 12kg block up a frictionless incline that makes an angle 25degrees with the horizontal.
5 answers
asked by
Anonymous
2,172 views
15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8
4 answers
asked by
roxy
4,037 views
a 215-N box is placed on an inclined plane that makes a 35.0 degree angle with the horizontel. Find the component of the weight
5 answers
asked by
Kindell
3,568 views
a 0.300kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.80 m/s when it makes a head on
5 answers
asked by
chyenne
7,499 views
A 9.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates
7 answers
asked by
Kayla
3,222 views
A child drops a ball onto the road 28 m in front of a car travelling at 50 km/h. If the car can decelerate at a rate of 3.5
4 answers
asked by
Jayy
1,453 views
A flat mirror that is 0.85m tall is attached to a wall so that its upper edge is 1.7m above the floor. Use the law of reflection
4 answers
asked by
Ashley
2,917 views
A 0.054-kg pet lab mouse sits on a 0.35-kg air-track cart, as shown in (Figure 1) . The cart is at rest, as is a second cart
4 answers
asked by
anonymous
10,053 views
Two ice skaters stand at rest in the center of an ice rink. When they push off against one another the 61-kg skater acquires a
5 answers
asked by
Amanda
4,712 views
A mass m = 9.0 kg is attached to the lower end of a massless string of length L = 83.0 cm. The upper end of the string is held
4 answers
asked by
sam
1,063 views
• If you use a cart with half the mass, you reach _______final speed.
• If you use half the force, you reach ______ final
3 answers
asked by
Ted
1,569 views
How much heat, in kilojoules (kJ), is required to raise the temperature of 2.50kg Hg(l) from -20.0 to -6.0C? Assume a density of
6 answers
asked by
Bob
4,452 views
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