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Arada [10]
3 years ago
9

Humans protect themselves from natural disasters by all of the following except

Physics
1 answer:
jeyben [28]3 years ago
4 0
I'm pretty sure it's sunscreen
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A normal walking speed is around 2.0 m/s . how much time t does it take the box to reach this speed if it has the acceleration 5
creativ13 [48]

Given:

u(initial velocity)=0

a=5.54m/s^2

v(final velocity)=2 m/s

v=u +at

Where v is the final velocity.

u is the initial velocity

a is the acceleration.

t is the time

2=0+5.54t

t=2/5.54

t=0.36 sec


6 0
4 years ago
A rock is thrown horizontally from a bridge with a speed of 29.0 m/s. if the rock is 23.7 meters above the river at the moment o
mash [69]
It would be 1.5 meters im sure form that distance to me is that nswe

7 0
3 years ago
Elena pulls a sled with her younger brother and sister across the snow covered yard. Then she pulls the same sled across a smoot
mylen [45]
The answer is B.
Hope this helps!
5 0
3 years ago
The reservoir stores 6 500 000 m3 of water. The density of the water is 998 kg/m3. Calculate the mass of water in the reservoir.
Mekhanik [1.2K]

Answer:

Mass = 64,870,000,000 kilograms

Explanation:

Given the following data;

Density = 998 kg/m³

Volume = 6,500,000 m³

To find the mass of water in the reservoir;

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Mathematically, density is given by the equation;

Density = mass/volume

Making mass the subject of formula, we have;

Mass = density * volume

Mass = 998 * 6,500,000

Mass = 64,870,000,000 kilograms

8 0
3 years ago
In ionic compounds which group from the periodic table usually provide anion?
koban [17]
Pretty sure it’s halogens , or groups 14-17
3 0
3 years ago
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