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Illusion [34]
3 years ago
8

If the mass of each ball is 12 kg and they experience a gravitational force of magnitude 2.00

Physics
1 answer:
VLD [36.1K]3 years ago
7 0

Answer:

{2 \times 10} - 7 = 12 {}^{2}  \div x \\ x = 2 \times 10 - 7 \div 12 {}^{2}

I'm just in jss2 but I read physics. this is what I think

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Please Help Me with This
densk [106]

Answer:

Explanation:

a). Find the graph attached for the motion.

b). If a shopper walk 5.4 m westwards then 7.8 m eastwards,

   Distance traveled by the shopper = Distance traveled in eastwards + Distance traveled westwards

                                                            = 5.4 + 7.8

                                                            = 13.2 m

c). Displacement of the shopper = Distance walked westwards - Distance traveled eastwards

                                                      = 5.4 - 7.8

                                                      = -2.4 m

Therefore, magnitude of the displacement of the shopper is = 2.4 m

And the direction of the displacement is eastwards.

8 0
3 years ago
A 1.00 kg block of ice, at -25.0°C, is warmed by 35 kJ of energy. What is the final temperature of the ice?
ahrayia [7]

Answer:

-8.4°C

Explanation:

From the principle of heat capacity.

The heat sustain by an object is given as;

H = m× c× (T2-T1)

Where H is heat transferred

m is mass of substance

T2-T1 is the temperature change from starting to final temperature T2.

c- is the specific heat capacity of ice .

Note : specific heat capacity is an intrinsic capacity of a substance which is the energy substained on a unit mass of a substance on a unit temperature change.

Hence ; 35= 1× c× ( T2-(-25))

35= c× ( T2+25)

35 =2.108×( T2+25)

( T2+25)= 35/2.108= 16.60°{ approximated to 2 decimal place}

T2= 16.60-25= -8.40°C

C, specific heat capacity of ice is =2.108 kJ/kgK{you can google that}

6 0
3 years ago
a 65 kg skater at rest on a frictionless rink throws a 2 kg ball, giving the ball a velocity of 7 m/s. What is the velocity of t
gayaneshka [121]
The answer to your question is 33
8 0
3 years ago
Which statement best explains how weight management through exercise can be a physiological mechanism?
aleksley [76]
D. Exercise promotes self-control
7 0
3 years ago
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Hanna tosses a ball straight up with enough speed to rermain in the air for several seconds
Ipatiy [6.2K]
What a relief !  That gives her time to step out of the way, before the ball
comes crashing down in the same place where she was standing.
7 0
3 years ago
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