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iren [92.7K]
3 years ago
13

Can someone help me with some physics problems please. I just don’t understand them

Physics
1 answer:
joja [24]3 years ago
3 0

yes i am good at physics

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What kind of deformation does a cube of Jell-O exhibit when it jiggles?
nadya68 [22]
It depends on chemistry... A physical deformation to the Jell-O.

3 0
4 years ago
When the electron is moving in the plane of the page in the direction indicated by the arrow, the force on the electron is direc
Serga [27]

Answer: F

Out of the page.

Explanation:

For an electron with a charge of -e, the magnitude of the force on it is F = BeV

Where

F = force on the electron

e = charge ( electrons )

V = velocity

B = magnetic field

F is the force acting on all the electrons in a wire which gives rise to the F = BIL

Where

I = current

L = length of the wire

The force F is always at the right angle to the particle's velocity and its direction can be found using the left hand rule.

When the electron is moving in the plane of the page in the direction indicated by the arrow, the force on the electron is directed out of the page.

8 0
3 years ago
Scientists in a test lab are testing the hardness of a surface before constructing a building. Calculations indicate that the en
densk [106]
From the given problem, a limit on the depression of a building is placed at 20 centimeters. To solve how many floors can be safely added, a quantity of how many cm will a building sink for each floor that is added is needed. Unfortunately, it is not found anywhere in the problem. However, we can provide a formula to solve for the depression. This is as follows:

Building depression < 20 cm

Building depression = (cm depression per floor) * (no. of floors)
7 0
4 years ago
Which type of lever is exemplified by the flexing of the forearm by the biceps brachii muscle?
ira [324]

Answer:

a third class lever

Explanation:

The third class or interpower lever is a lever that enables fast and dynamic movements. It places the power between the resistance and the support, so the resistance arm is longer than the power.

It is the most frequent type of lever in the human body and as an example we can put the action of the brachial biceps in the flexion of the elbow, where the biceps is inserted in the forearm between the elbow that is behind and the resistance that would be displaced towards the hand by the weight of the load attached to the weight of the forearm.

A good range of movements is achieved although with less force and is the most frequent type of lever in human movement, although the same joint can form different types of lever depending on the type of movement performed .

8 0
4 years ago
How fast will an object be moving 4 seconds after dropped from rest
9966 [12]

Answer:

Really fast, usually would bounce up and down after it falls

Explanation:

5 0
3 years ago
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