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Alexeev081 [22]
3 years ago
9

I’m Not Sure What To Do ..

Physics
1 answer:
den301095 [7]3 years ago
4 0

Answer:solve it

Explanation:

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21. True or False: Static friction prevents you from slipping when you walk on a sidewalk.​
Sloan [31]

Answer:

Yes it is true because static friction help us to make grip between the foot and the ground surface

Explanation:

Yes, as we know that the friction between two surface is of two types

1) Static friction

2) Kinetic friction

When two surface moves relative to each other then the friction force between two surface is kinetic friction and it always opposes the relative motion of two rough surface

While when one surface has tendency to move with respect to its contact surface but if it can not move on it then in this case it is static friction

So relative motion is not possible in this type of friction

So static friction helps to prevent slipping

3 0
4 years ago
Who was the first man to walk on the moon?
Andrej [43]
The first person is Neil Armstrong
8 0
4 years ago
A couple walking in the park strolls 1.5 km in 60 min. What is the couple’s average speed in m/h?
cricket20 [7]

Answer:

0.932 m/h

Explanation:

Parameters given:

Distance walked by couple, D = 1.5 km

Time spent in walking, t = 60 min

To solve this we simply apply the formula for average peed:

Average Speed = total distance / total time taken

The question asks specifically to put the answer in miles per hour (m/h), hence, we need to convert the distance to miles and the time to hours:

Distance in miles:

1 km = 0.622 miles

1.5 km = 1.5 * 0.622 = 0.932 miles

Time in hours = 60 / 60 = 1 hour

Hence, the speed is:

Speed = 0.932 / 1 = 0.932 m/h

The average speed of the couple is 0.932 m/h

6 0
3 years ago
Read 2 more answers
Atoms in a molecule are bonded together by sharing gaining or losing_
leva [86]
Atoms and I molecule are bonded together by sharing gaining or losing electrons
5 0
3 years ago
An object moves from position +34m to the position -15m in 15 seconds. What is the total displacement? What is the total velocit
Alexandra [31]

1) Displacement: -49 m, in the negative direction

Explanation:

The displacement of an object is a vector, whose magnitude is given by the difference between the final point of the motion and the starting point:

d=p_f -p_i

In this problem, the starting point is +34 m, while the final position is -15 m; therefore, the displacement is:

d=-15 m- (+34 m)=-49 m

and the direction is negative, in according to the negative sign.


2) Velocity: -3.27 m/s

Explanation:

Velocity is equal to the ratio between the displacement and the time taken:

v=\frac{d}{t}

in this problem, we have:

d = -49 m is the displacement

t = 15 s is the time

therefore, the velocity is

v=\frac{-49 m}{15 s}=-3.27 m/s

and the direction is negative.

8 0
3 years ago
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