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kotegsom [21]
2 years ago
6

Please help this is really confusing

Physics
1 answer:
hoa [83]2 years ago
8 0
The correct answer is b , the the liquid with heat and cool faster
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What does Newtons first law of motion say about objects at rest and objects in motion?
Alborosie

Answer:

Explanation:

an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

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3 years ago
If the bus had a mass of 1,021kg how much does the bus weigh?
goblinko [34]
Weight of the bus= mass x acceleration due to gravity = 1021x9.8 = 10005.8 N. Hope it helps.
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3 years ago
What impulse occurs when a cart that is originally at rest experiences an average force of
frez [133]

Explanation:

What impulse occurs when a cart that is originally at rest experiences an average force of

N for 2.5 s? *

(10 Points)

25 N

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5 0
3 years ago
A spring with a spring constant of 25.1 N/m is attached to different masses, and the system is set in motion. What is its period
Ratling [72]

1) 2.17 s

The period of a mass-spring oscillating system is given by

T=2 \pi \sqrt{\frac{m}{k}}

where k is the spring constant and m is the mass attached to the spring. In this problem, we have

k = 25.1 N/m

m = 3.0 kg

Substituting into the equation, we find

T=2 \pi \sqrt{\frac{3.0 kg}{25.1 N/m}}=2.17 s

2) 0.46 Hz

The frequency of the oscillating system is equal to the reciprocal of the period:

f=\frac{1}{T}

Therefore, by substituting T=2.17 s, we find:

f=\frac{1}{T}=\frac{1}{2.17 s}=0.46 Hz

3) 0.13 s

As before, the period of a mass-spring oscillating system is given by

T=2 \pi \sqrt{\frac{m}{k}}

where k is the spring constant and m is the mass attached to the spring. In this part of the problem, we have

k = 25.1 N/m

m = 11 g = 0.011 kg

Substituting into the equation, we find

T=2 \pi \sqrt{\frac{0.011 kg}{25.1 N/m}}=0.13 s

4) 7.69 Hz

The frequency of the oscillating system is equal to the reciprocal of the period:

f=\frac{1}{T}

Therefore, by substituting T=0.13 s, we find:

f=\frac{1}{T}=\frac{1}{0.13 s}=7.69 Hz

5) 1.59 s

Again, the formula for the period of a mass-spring oscillating system is given by

T=2 \pi \sqrt{\frac{m}{k}}

In this part of the problem, we have

k = 25.1 N/m

m = 1.6 kg

Substituting into the equation, we find

T=2 \pi \sqrt{\frac{1.6 kg}{25.1 N/m}}=1.59 s

6 0
3 years ago
I need a response quick
S_A_V [24]

Answer: mark me branliest plz

Explanation:

Two objects with masses 5. 4 meters per second in 20. 8 m/s? At the end of ... A -kilogram car travels at a constant speed of 20. 18 m/s . 8 m/s2). The acceleration due to ... 5 seconds. the maximum speed an object can travel falling towards earth. ... 1 (4) 7. 0 3 101 m 3. 19)An object is dropped and falls freely to the ground ...

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