3 years ago

Newton's second law shows that there is a(n) ________

1 answer:

4 0

Answer:

Objects accelerate when the net force acting on them divides by their mass, according to Newton's second law of motion. The second law states that force and acceleration are directly related, while mass and acceleration are inversely related.

Explanation:

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A baseball is moving at a speed of 2.2\,\dfrac{\text{m}}{\text{s}}2.2 s m 2, point, 2, space, start fraction, m, divided by, s

Reika [66]

Answer:

a = 1,008 10⁻³ m / s²

Explanation:

For this exercise, let's use the kinematic relations of accelerated motion

v² = v₀² - 2 a x

The negative sign is because the acceleration is opposite to the speed, the final speed is zero

0 = v₀² - 2 a x

a = v₀² / 2x

Let's reduce the magnitudes to the SI system

x = 2.4mm (1m / 10³mm) = 2.4 10⁻³m

Let's calculate

a = 2.2²/2 2.4 10⁻³

a = 1,008 10⁻³ m / s²

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3 years ago

What is the relationship between the internal energy of a substance and its state of matter? A) As a gas loses internal energy i

babymother [125]

D)<span>As the internal energy increases a substance would go from solid to a liquid.</span>

4 0

3 years ago

Read 2 more answers

2. What is equal to the kinetic energy of a car with a mass of 0.5t (tonne) if it travels

GalinKa [24]

Answer:

7.14kg/h

Explanation:

=500kg/70h

=7.14kg/h

7 0

3 years ago

An example of the energy transformation of mechanical energy to electrical energy is

miskamm [114]

Answer:

generator

Explanation:

motor running to electrical

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2 years ago

A 5 cm spring is suspended with a mass of 3.8589 g attached to it which extends the spring by 1.5747 cm. The same spring is plac

lana66690 [7]

Answer:

charges of the beads is 1.173 × $10^{-15}$ C

Explanation:

given data

mass = 3.8589 g = 0.003859 kg

spring length = 5 cm = 0.05 m

extend spring x = 1.5747 cm = 0.15747 m

spring's extension = 0.0116 m

to find out

charges of the beads

solution

we know that force is

force = mass × g

force = 0.003859 × 9.8

force = 0.03782 N

so we know force for mass

force = -kx

so k = force / x

put here force and x value

k = -0.03782 / 0.1575

k = -0.24 N/m

and

force for spring's extension

force = -kx

force = -0.24 ( 0.0116) = 0.002784 N

so here

total length L = 0.05 + 0.0116 = 0.0616

so charges of the beads = force × L² / ke

charges of the beads = 0.002784 × (0.0616)² / (9 × $10^{9}$ )

so charges of the beads = 1.173 × $10^{-15}$ C

3 0

3 years ago