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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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You are traveling on an interstate highway at the posted speed limit of 70 mph when you see that the traffic in front of you has
vovikov84 [41]

Answer:8.75 s,

136.89 m

Explanation:

Given

Initial velocity=70 mph\approx 31.29 m/s

velocity after 5 s is 30 mph\approx 13.41 m/s

Therefore acceleration during these 5 s

a=\frac{v-u}{t}

a=\frac{13.41-31.29}{5}=-3.576 m/s^2

therefore time required to stop

v=u+at

here v=final velocity =0 m/s

initial velocity =31.29 m/s

0=31.29-3.576\times t

t=\frac{31.29}{3.576}=8.75 s

(b)total distance traveled before stoppage

v^2-u^2=2as

0^2-31.29^2=2\times (-3.576)\cdot s

s=136.89 m

3 0
3 years ago
A person carries a box of 100 kg. What is the weight of the box? (g= 9.8 m/s2)​
aliina [53]

Answer:

980 newton

Explanation:

100×9.8 = 980

8 0
2 years ago
Hi, Solve for λ<br> E=hc/λ
Paul [167]

Answer:

λ=hc/E

Explanation:

E=hc/λ

Eλ=hc

λ=hc/E

4 0
3 years ago
How many significant figures does the number 91010.0 have?
kirza4 [7]

Answer:

6 (six)

Explanation:

5 0
3 years ago
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A bullet is fired at an angle θ above the horizontal with an initial velocity of 800 m/s from the top of an 80 m high tower. Wha
Irina-Kira [14]

Answer:

pahingi po ng pic pls para masagutang kopo iyan

6 0
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