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Anna [14]
3 years ago
15

When does a ball that is thrown vertically upwards reach its maximum speed?

Physics
1 answer:
ladessa [460]3 years ago
4 0
As soon as you let go of it it is at its max speed because gravity is constantly pulling it down
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When a cell divides to help repair an organism, what type of cell division is it?
marin [14]

Answer:

Mitosis

Explanation:

Mitosis is the process of making new body cells

4 0
4 years ago
A string is fixed at both ends and vibrating at 140 Hz, which is its third harmonic frequency. The linear density of the string
loris [4]

Answer:

Length of the string = 0.24 m

Explanation:

The frequency (f) of vibration of stringed instruments is related to the Tension (T) in the spring by the relation

fₙ = (n/2L)√(T/μ)

where n = 1,2,3,4...

For third harmonic frequency, n = 3

L = length of the string = ?

T = tension in the string = 2.3 N

μ = linear density = 4.6 × 10⁻³ kg/m

f = frequency = 140 Hz

L = (n/2f)√(T/μ)

L = (3/(2×140))√(2.3/0.0046) = 0.40 m

4 0
4 years ago
Read 2 more answers
In which position does the ball have the least potential energy but the most kinetic energy
Firdavs [7]

Answer:

position 2

Explanation:

the gravity from the ball to the floor had the most movement involved.

5 0
4 years ago
A particle of mass 7.00 10-8 kg and charge 7.8-µc is traveling due east. it enters perpendicularly a magnetic field whose magnit
sertanlavr [38]
The radial force on the particle is given by the Lorentz force.  They don't give you the velocity so you have to solve for it in terms of the radius and get them to cancel.

6 0
3 years ago
If the thermal energy of the system increases by 600j and 1400of heat were added th the system how much work did the system do
Sonbull [250]
E = Q - W 
E = 1,400 - 600
E = 800

So the answer would be 800J.
Sorry for it being a week late, but for future people.
6 0
3 years ago
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