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xeze [42]
2 years ago
8

A lead object and quartz object each have the same initial volume. the volume of each increases by the same amount, because the

temperature increases. if the temperature of the lead of the increases by 4.0 degrees Celsius, by how much does the temperature of the quartz object increase?​
Physics
1 answer:
irina1246 [14]2 years ago
8 0

Answer:

need points po

Explanation:

need points sowet

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If a body starts moving from rest its<br>initial velocity is<br>ų <br>V<br>zero<br>m/s​
Artist 52 [7]

Answer:

zero

When a Body start a from rest ,its initial velocity is zero.

6 0
3 years ago
A 250 kg flatcar 25 m long is moving with a speed of 3.0 m/s along horizontal frictionless rails. A 61 kg worker starts walking
Anna11 [10]

Answer:

x=31.09m

Explanation:

p1=p2

The momentum of flatcar and the momentum of the worker so

The velocity of the worker is:

m_{f}*v_{f}=m_{w}*v_{w}\\\\v_{f}=\frac{m_{f}*v_{f}}{m_{w}}\\v_{f}=\frac{61kg*3.0\frac{m}{s}}{250kg}\\v_{f}=0.732\frac{m}{s}

The total motion has a total velocity and is

Vt=v_{w}+v_{f}\\Vt=0.732\frac{m}{s}+3.0\frac{m}{s}\\Vt=3.732\frac{m}{s}

The time the worker take walking is

t=\frac{x}{v_{w}}\\t=\frac{25m}{3\frac{m}{s}}=8.33s

Now the total time and the total velocity determinate the motion of tha flatcar how far has moved

x=t*Vt\\x=8.33s*3.732\frac{m}{s} \\x=31.09m

5 0
3 years ago
a soccer ball accelerates more than a bowling ball when thrown with the same force. which law of newton best supports this?
Vedmedyk [2.9K]

Answer:

Newtons second law of motion known as the law of acceleration

Explanation:

The second law explains that a greater mass requires a greater force

3 0
2 years ago
Carbon dioxide can be represented by the chemical formula
Vitek1552 [10]

Answer:

Your answer is B co2

Explanation:

8 0
3 years ago
Read 2 more answers
A 10 kg mass rests on a table. What acceleration will be generated when a force of 5 N is applied? a 0.5 m/s2 b 3.5 m/s2 c 5 m/s
rosijanka [135]

Answer:

a= 0.5m/s^2

Explanation:

Force applied on an object is known as

F=m.a  (Newton's second law states it)

a=F/m

a=5/10=0.5m/s^2

3 0
3 years ago
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