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Ivan
3 years ago
15

What is the formula for speed or velocity?

Physics
1 answer:
alina1380 [7]3 years ago
3 0

Answer:

c

Explanation:

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Two gliders collide on a frictionless air track that is aligned along the x axis. Glider A has an initial velocity v0 and glider
LenaWriter [7]

Answer:

Explanation:

Applying conservation of momentum

mA v0 + 0 = mA x 12v0 + mB x 92v0

11 mA = - 92mB .

mA / mB = 92 / 11

mA : mB = 92 : 11.

3 0
3 years ago
The formation of new neurons is called __________.
nydimaria [60]

Answer:

Neurogenesis

Explanation:

3 0
3 years ago
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Describe what happens to atom size as you go from left to right on the periodic table.
Brilliant_brown [7]
The mass number increases
7 0
3 years ago
The driver of a car traveling at a speed of 27 m/s slams on the brakes and comes to a stop in 3 s. If we assume that the speed c
NISA [10]

Answer:

Average speed = 13.5 m/s

Explanation:

Since the car is running at a speed of 27 m/s  and it stops after 3 seconds by applying the brake. Therefore, the initial speed of the 27 m/s and final speed is 0.

Use below formula to find the average speed :

Average speed = (Initial speed + final speed ) / 2  

Average speed = (27 + 0 ) / 2

Average speed = 13.5 m/s

7 0
3 years ago
A car sitting at a red light begins to accelerate at 2.0 m/s2 when the light turns green. It continues with this acceleration un
KonstantinChe [14]

Answer:

d = 820 m

Explanation:

here we know that car starts from rest and continue to accelerate till it will reach to maximum speed of 20 m/s

so we will have

v_f - v_i = at

20 - 0 = 2t

t = 10 s

so car will accelerate till t = 10 then it will move with uniform speed

so the distance moved by the car till it accelerates is given as

d = \frac{1}{2}at^2

d = \frac{1}{2}(2)(10^2)

d_1 = 100 m

now it will move with uniform speed for next 36 s

so we have

d_2 = 20(36) = 720 m

so total distance moved by the car is given as

d = d_1 + d_2

d = 100 + 720

d = 820 m

8 0
3 years ago
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