SNIIX18
 Name:
 Alejandra alvarez
 School:
 Centro studi idea verona
 About:
 Io amo la scuola a volte ( i love school sometimes)
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Questions Answered

Ponder45:
Group Title
The energy of a given wave in the electromagnetic spectrum is 2.64 × 1021 joules, and the value of Planck’s constant is 6.6 × 1034 joule·s…
 updated one year ago
 3 replies
 1 Medal
Mathematics

anna.s214:
Group Title
A car with a mass of 1.2 × 103 kilograms starts from rest and attains a speed of 20 meters/second in 5 seconds. What net force acted on the …
 updated 5 months ago
 19 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
How do we calculate the restoring force according to Hooke's law?
A. spring constant × displacement
B. velocity × mass
…
 updated one year ago
 16 replies
 2 Medals
Mathematics

SNIIX18:
Group Title
What do the length of the cord and gravity determine for a pendulum?
A. velocity B. amplitude C. period D. speed
 updated one year ago
 13 replies
 2 Medals
Mathematics

SNIIX18:
Group Title
Imagine that you are swinging back and forth a chain with a locket on the end. Assuming that you are on Earth so that gravity is constant at…
 updated one year ago
 16 replies
 2 Medals
Mathematics

SNIIX18:
Group Title
Which statement is true?
A. Kepler’s laws apply only to the motion of Earth. …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
What is the radius of a communications satellite’s orbital path that is in a uniform circular orbit around Earth and has a period of exactly…
 updated one year ago
 16 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 2.0 joules. If the entire potential energy…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the …
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
Which statement describes the speed of a planet traveling in an elliptical orbit around the Sun?
A. The speed is constant.
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
Determine the value of impulse from this graph of momentum vs. time.
A. 9 newton seconds …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

SNIIX18:
Group Title
In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 2.0 joules. If the entire potential energy…
 updated one year ago
 5 replies
 2 Medals
Mathematics

SNIIX18:
Group Title
A 0.50 kilogram ball is held at a height of 20 meters. What is the kinetic energy of the ball when it reaches halfway after being released?
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
Ball A has a mass of 0.200 kilograms. Ball A, traveling at a velocity of 2 meters/second in the +x direction, hits a stationary ball B of th…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
Ball A has a mass of 0.200 kilograms. Ball A, traveling at a velocity of 2 meters/second in the +x direction, hits a stationary ball B of th…
 updated one year ago
 3 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
A ball moving at a velocity of 10 meters/second has a momentum of 8.0 kilogram meters/second. What is its mass?
A. 8.0 × 10^2 kilograms
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
What happens to the potential energy of an object when it is falls from a height?
A. It is lost.
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
How much work is required to lift an object with a mass of 5.0 kilograms to a height of 3.5 meters?
A. 17 joules
B. 1.7 × 10^2 joules
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
An object with a potential energy of 200 joules is dropped from a height of 2.00 meters. What is its kinetic energy when it reaches the grou…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
Why does a moving object come to a stop on a frictional surface?
A. The object’s kinetic energy is transformed into mainly heat energy.
B…
 updated one year ago
 17 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
A spring requires a force of 25 N to produce an extension of 2 cm in it. What is the work done in further extending it by 3 cm.
A. 1.3125 J…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
When Emma pushes a bag with a force of 27 newtons, the coefficient of kinetic friction between the bag and the floor is 0.23. What is the no…
 updated one year ago
 23 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
Peter throws a snowball at his car parked in the driveway. The snowball disintegrates as it hits the car. By Newton’s third law, you know th…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
Consider the static equilibrium diagram below. What is the net force acting along the positive xaxis?
…
 updated 4 months ago
 16 replies
 No Medals Yet
Mathematics

kevinneisha:
Group Title
In the absence of friction, gravity, and all other external forces, what kind of speed will an object display if it travels from the bottom …
 updated one year ago
 3 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
Find the value of T1 if Theta 1 = 30°, Theta 2 = 60°, and the weight of the object is 139.3 newtons.
A. 69.58 newtons
B. 45.05 newtons
…
 updated one year ago
 26 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
Find the value of T1 if theta = 30°, theta= 60°, and the weight of the object is 139.3 newtons
A. 69.58 newtons
B. 45.05 newtons
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

SNIIX18:
Group Title
Edward travels 150 kilometers due west and then 200 kilometers in a direction 60° north of west. What is his displacement in the westerly di…
 updated one year ago
 3 replies
 1 Medal
Mathematics

SNIIX18:
Group Title
A hot air balloon is moving at a speed of 10 meters/second in the +x direction. The balloonist throws a brass ball with a velocity of 2 met…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

SNIIX18:
Group Title
A motor boat is traveling east with a velocity of 7.3 meters/second. It experiences a current of 0.34 meters/second from the east. Find the …
 updated one year ago
 3 replies
 No Medals Yet
Mathematics
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