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dybincka [34]
2 years ago
9

What force acts on a projectile when it is launched in the air? A. gravity B. friction

Physics
2 answers:
Lorico [155]2 years ago
7 0
Friction I think cause gravity would be pulling it down
irga5000 [103]2 years ago
7 0
I believe the answer is A. Gravity.
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What is the gravitational field strength at a distance of 60.0 km above the surface of the earth
zloy xaker [14]

Answer:

g=9.64m/s^2.

Explanation:

Gravitational field strength (in other words, gravitational acceleration) is given as follows:g=GMR2g=R2GM​where G=6.674×10−11m3kg⋅s2G=6.674×10−11kg⋅s2m3​ is the gravitational constant, M=5.972×1024kgM=5.972×1024kg is the mass of the Earth, and R=6.371×106m+0.06×106m=6.431×106mR=6.371×106m+0.06×106m=6.431×106m is the distance from the center of the Earth to the required point above the surface (radius plus 60 km).

6 0
2 years ago
Whats 80.000g = what kg
Rama09 [41]

there is 1000 grams in 1 kilogram

Divide

80/1000 = 0.08

0.08 kilograms is your answer

hope this helps

3 0
3 years ago
The strength of the electric field at a certain distance from a point charge is represented by E. What is the strength of the el
LUCKY_DIMON [66]

Answer:

e.)At twice the distance, the strength of the field is E/4.

Explanation:

The strength of the electric field at a certain distance from a point charge is given by:

E=k\frac{Q}{r^2}

where

k is the Coulomb's constant

Q is the charge

r is the distance from the point charge

In this problem, the distance from the point charge is doubled:

r' = 2r

So the new electric field strength is

E'=k\frac{Q}{(2r)^2}=k \frac{Q}{4 r^2}=\frac{1}{4} (k\frac{Q}{r^2})=\frac{E}{4}

so, at twice the distance the strength of the field is E/4.

4 0
3 years ago
A person drives for 1.00 h at 10.0 km/h and 2.00 h at 20.0 km/h. What is their average speed, in SI units?
Veronika [31]
I believe it is b if i’m correct
6 0
3 years ago
The people in a location in Florida mainly grow crops which need a lot of water. Which of these statements about the location be
Arisa [49]
The people of Florida are closest to the equator and also near 2 different bodies of water and have rivers running thru them as well salt water and fresh water. they need alot of freshwater due to monsoon seasons, hurricanes etc, its humid and hot there so naturally you need to water more often and frequently.
4 0
3 years ago
Read 2 more answers
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