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shepuryov [24]
3 years ago
7

Question 8 of 25

Physics
1 answer:
GuDViN [60]3 years ago
7 0

Answer:

A. They use X-rays that penetrate most objects.

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Please help me guys <br>a.<br>b.<br>c.​
Mademuasel [1]

Answer:

I think its b lol correct me if I'm wrong

6 0
3 years ago
in volleyball if you are a server what position on the court are you? center back #6, right back #1 or left back #5? help me ple
jek_recluse [69]
In the sport of volleyball a server is in the "back left position" for standard rules.

Hope I helped,
-CSX :)
4 0
3 years ago
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 35.0 min
Lubov Fominskaja [6]

Explanation:

Solution:

Let the time be

t1=35min = 0.58min

t2=10min=0.166min

t3=45min= 0.75min

t4=35min= 0.58min

let the velocities be

v1=100km/h

v2=55km/h

v3=35km/h

a. Determine the average speed for the trip. km/h

first we have to solve for the distance

S=s1+s2+s3

S= v1t1+v2t2+v3t3

S= 100*0.58+55*0.166+35*0.75

S=58+9.13+26.25

S=93.38km

V=S/t1+t2+t3+t4

V=93.38/0.58+0.166+0.75+0.58

V=93.38/2.076

V=44.98km/h

b. the distance is 93.38km

6 0
4 years ago
100 POINTS 100 POINTS 100 POINTS!!!!!<br> HELP PLEASE I DON'T KNOW WHAT TO DO!!!!!
Westkost [7]

Answer:

block 2 or 4

because of the distribution of weight and force being applied to the object

3 0
3 years ago
Read 2 more answers
A golfer, driving a golf ball off the tee, gives the ball a velocity of 38 m/sec. The mass of the ball is 0.045 kg, and the dura
atroni [7]

Answer:

\Delta p=1.71\frac{kg\cdot m}{s}

Explanation:

The momentum of a body is defined as the product of its mass and its velocity at a given time. Therefore the change in the momentum of the ball is given by the difference between the final momentum and the initial momentum:

\Delta p=p_f-p_i\\\Delta p=mv_f-mv_i\\\Delta p=m(v_f-v_i)\\\Delta p=0.045kg(38\frac{m}{s}-0\frac{m}{s})\\\Delta p=1.71\frac{kg\cdot m}{s}

6 0
4 years ago
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