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3 years ago

Describe the 3 types of projectiles.

2 answers:

7 0

Answer:Although any object in motion through space (for example a thrown baseball, kicked football, fired bullet, thrown arrow, stone released from catapult) are projectiles, they are commonly found in warfare and sports.

Explanation:

bulgar [2K]3 years ago

5 0

ANS

Three types of projectiles —

The round ball, The bullet, and shot—

used in muzzleloaders.

Thank You !!!!!

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What happens when a light bulb is disconnected in a parralel circuit?

VARVARA [1.3K]

Answer:

Hope i could help!

Explanation:

so all but one light could be burned out, and the last one will still function.

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3 years ago

An athlete of mass 70kg runs at a velocity of 6ms5-1 calculate the kinetic energy of the athlete.

Molodets [167]

KE=1/2 mv²
= 1/2 × 70 × (6)²
= 1260

8 0

3 years ago

What is the main reason water from the ocean turns to water vapor , and then evaporates into the air

melamori03 [73]

Hello! :)

C) heat from the sun

Why?

Because the sun’s heat makes the water turn to steam—or what we call “water vapor.”

Hope this helped and I hope I answered in time!

Good luck!

~ Destiny ^_^

3 0

2 years ago

Read 2 more answers

A 4 kg bowling bowl is sitting on a table 1 meter off the ground. How much potential energy does it have?

il63 [147K]

Answer:

$\huge\boxed{\sf P.E. = 39.2\ Joules}$

Explanation:

Given Data:

Mass = m = 4 kg

Acceleration due to gravity = g = 9.8 m/s²

Height = h = 1 m

Required:

Potential Energy = P.E. = ?

Formula:

P.E. = mgh

Solution:

P.E. = (4)(9.8)(1)

P.E. = 39.2 Joules

$\rule[225]{225}{2}$

Hope this helped!

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3 years ago

A man stands on top of a cliff and shouts.

satela [25.4K]

$\small\bf \: let \: the \: distance \: of \: the \: man \: from \: the \: cliff \: be \: x$

$\small\bf \: thus \: time \: taken \: by \: sound \: to \: hit \: the \: cilff \: and \: return = \frac{2x}{v} = 1$

$\bf \to \: x = \frac{320}{2} m = 160m$

$\small \bf \: thus \: the \: distance \: between \: the \: cliffs \: = 160m \times 2 = 320m$

8 0

2 years ago