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Scilla [17]
3 years ago
8

The gravitational force between two objects increases as mass

Physics
2 answers:
nasty-shy [4]3 years ago
7 0
F=g(m1*m2)/r^2
gravitational force is directly proportional to product of masses and inversely proportional to square of distance between them.so consequently mass should increase and distance should decrease
Bezzdna [24]3 years ago
6 0
The gravitational force between two objects increases as mass increases or distance decreases. This will make the correct answer C. 
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Kim holds a pinwheel in the air and says it can be used to model a source of energy. Identify the type of energy Kim's pinwheel
Natali5045456 [20]

Answer:

it is kenetic

Explanation: its in motion:D

7 0
4 years ago
A 920 kg cannon fires a 3.5 kg shell at initial acceleration of 95 m/s^2. What is the cannon's recoil force?
Mice21 [21]

Answer:

The cannon recoils with a force of 332.5 N

Explanation:

By Newton's third law Recoil force on cannon = Force in shell.

Force in shell = Mass of shell x Acceleration of shell

Mass of shell = 3.5 kg

Acceleration of shell = 95 m/s²

Force in shell = 3.5 x 95 = 332.5 N

Recoil force on cannon = 332.5 N

So, the cannon recoils with a force of 332.5 N

3 0
3 years ago
Liang is warming a pot of soup on the stove.How is the motion of the particles in the soup different after the temperature of th
julsineya [31]
The particles will move faster due to the increased energy from the heat.
4 0
3 years ago
If the rise and fall of your lungs is considered to be simple harmonic motion, how would you relate the period of the motion to
AURORKA [14]

Answer:

Breaths per minute is a frequency. The period is its reciprocal.

Explanation:

In simple harmonic motion, a period (T) is the time taken for one point to start in a position and reach that position again, in other words to complete a cycle or lapse. In this case, a period is the time one takes from starting to inspire the air to releasing all of it from the lungs.

In simple harmonic motion, the frequency (f) is how many times a point completes a cycle or lapse in one unity of time (could be one second, one minute, one hour, etc). In this case, the frequency is how many times one breathes in one minute. This is the breathing rate, since it is breathings per minute. Breaths per minute is a frequency.

Period (T) and frequency (f) relate to each other in the following formulae: T=\frac{1}{f} or f=\frac{1}{T} .

Therefore, breaths per minute is a frequency, and since it is related to the period, we say the period is reciprocal to it.

8 0
4 years ago
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically
Elanso [62]

Answer:

The velocity and mass of the target ball are 1.6 m/s and 1.29 kg.

Explanation:

Given that,

Mass of softball = 0.220 kg

Speed = 5.5 m/s

(a). We need to calculate the velocity of the target ball

Using conservation of momentum

m_{1}u_{1}+m_{2}u_{2}=m_{1}v_{1}+m_{2}v_{2}

0.220\times5.5+m_{2}\times0=0.220\times(-3.9)+m_{2}v_{2}

1.21=-0.858+m_{2}v_{2}

m_{2}v_{2}=2.068....(I)

The velocity approach is equal to the separation of velocity

u_{1}-u_{2}=v_{2}-v_{1}

5.5-0=v_{2}-(-3.9)

v_{2}=1.6\ m/s

(b). We need to calculate the mass of the target ball

Now, Put the value of v₂ in equation (I)

m_{2}\times1.6=2.068

m_{2}=\dfrac{2.068}{1.6}

m_{2}=1.29\ kg

Hence, The velocity and mass of the target ball are 1.6 m/s and 1.29 kg.

3 0
3 years ago
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