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2 years ago

Struggling with this, pls answer:( Brainliest to the (FIRST) right answer

Physics

1 answer:

riadik2000 [5.3K]2 years ago

4 0

Answer:

c. a and c

Explanation:

ammeters are connected in series to measure charge/current

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Which of the following exhibits parabolic motion? a. a person diving into a pool from a diving board b. a space shuttle orbiting

Crazy boy [7]

Answer: a stone thrown into a lake

Explanation:

The option that exhibits parabolic motion is a stone that is thrown into a lake.

Projectile motion is a form of motion that is seen when a particular object is thrown towards the surface fo the Earth. Such objects are acted upon by gravity.

6 0

3 years ago

A 0.017-kg acorn falls from a position in an oak tree that is 18.5 meters above the ground.

Marianna [84]

Answer:

Part a)

Final speed of the corn is 19.05 m/s

Part b)

Kinetic energy of the corn is 3.1 J

Explanation:

Part a)

As we know that the initial position of the corn is

h = 18.5 m

now we also know that it will fall from rest and moving under constant acceleration so we will have

$v_f^2 - v_i^2 = 2 a d$

$v_f^2 - 0 = 2(9.81)(18.5)$

$v_f = 19.05 m/s$

Part b)

Kinetic energy of the corn is given as

$K = \frac{1}{2}mv^2$

$K = \frac{1}{2}(0.017)(19.05)^2$

$K = 3.1 J$

4 0

4 years ago

A 80 kg parent and a 20 kg child meet at the center of an ice rink. They place their hands together and push. The parent pushes

Ymorist [56]

Answer:

force acting on the parent = 25 N .

Explanation:

According to third law of Newton , there is equal and opposite reaction to every action . Here force by the parent on child is action and the force by child on parent is reaction . The former is given as 25 N so force by child on parent will also be 25 N .

Answer is 25 N .

4 0

3 years ago

A small, 2.00-mm-diameter circular loop with R = 1.00×10^−2 Ω is at the center of a large 100-mm-diameter circular loop. Both lo

Assoli18 [71]

Answer:

$i=2.1\times 10^{-8}}\ A$