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4 years ago

8

Eric throws a basketball straight up into the air. As it rises, which form of energy is increasing? A. elastic potential energy

B. electrical energy C. gravitational potential energy D. kinetic energy

2 answers:

Art [367]4 years ago

7 0

I think it's kinetic energy

exis [7]4 years ago

5 0

Answer:

C) Gravitational potential energy

Explanation:

As ball is thrown upwards then we can say that speed of the ball will decrease as it will move upwards.

This is due to gravity which act opposite to the motion of the ball

So as the ball is thrown upwards the initial kinetic energy of the ball will start decreasing as it will move upwards

Here we also know that gravitational potential energy of the ball is given as

$U = mgh$

so as the ball start rising upwards the potential energy of the ball will increase

so here correct answer will be

C) Gravitational potential energy

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The Sun's energy comes from which nuclear reaction? O A. Two nuclei joining to form a larger nucleus OB. Two nuclei giving off a

BlackZzzverrR [31]

Answer:

Nuclear Fusion reactions power the Sun and other stars. In a fusion reaction, two light nuclei merge to form a single heavier nucleus. The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei.

Explanation:

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3 years ago

Read 2 more answers

School homework about multiplying fractions <br><br>worth 30 brainly points

RoseWind [281]

Answer:

Explanation:

1. $\frac{1}{3}$ x $\frac{6}{7}$ = $\frac{6}{21}$

= $\frac{2}{7}$

b. $\frac{6}{8}$ + $\frac{4}{9}$ = $\frac{24}{72}$

= $\frac{1}{3}$

c. $\frac{10}{15}$ x $\frac{3}{4}$ = $\frac{30}{60}$

= $\frac{1}{2}$

d. $\frac{7}{10}$ of $\frac{5}{10}$ = $\frac{7}{10}$ x $\frac{5}{10}$

= $\frac{35}{100}$

= $\frac{7}{20}$

e. $\frac{3}{8}$ of $\frac{4}{6}$ = $\frac{3}{8}$ x $\frac{4}{6}$

= $\frac{12}{48}$

= $\frac{1}{4}$

f. $\frac{7}{12}$ of $\frac{9}{14}$ = $\frac{7}{12}$ x $\frac{9}{14}$

= $\frac{63}{168}$

= $\frac{3}{8}$

2. $\frac{22}{6}$ x $\frac{3}{11}$ = $\frac{66}{66}$

= 1

b. $\frac{15}{6}$ x $\frac{4}{5}$ = $\frac{60}{30}$

= 2

c. $\frac{25}{8}$ x $\frac{4}{10}$ = $\frac{100}{80}$

= $\frac{5}{4}$

d. $\frac{33}{12}$ x $\frac{4}{15}$ = $\frac{132}{180}$

= $\frac{11}{15}$

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3 years ago

A simple machine does work because it applies

tigry1 [53]

Force
or motion im not toatally sure

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3 years ago

If a bar magnet is broken into two pieces, each of the resulting pieces

victus00 [196]

They will become identical as if they were never broken

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4 years ago

A concave mirror has a radius of curvature of 10 cm. Find the location an height of the image if the distance of the object is 8

puteri [66]

R=10
F=R/2
F=10/2=5
F=-5(CONCAVE MIRROR)
U=-8(CONCAVE MIRROR)
HEIGHT OF OBJECT=1.5
V=?
HEIGHT OF IMAGE=?
I/F=1/U+1/V
-I/5=-1/8-1/V
-1/V=-1/5+1/8
-1/V=-8+5/40
-1/V=-3/40
1/V=3/40
V=40/3

HEIGHT OF IMAGE/HEIGHT OF OBJECT =-V/U
HEIGHT OF IMAGE=40/3*1/-8*15/10
=-20/8
=-2.5

7 0

3 years ago