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3 years ago

1 question I still have about Baroque music

Physics

2 answers:

Vika [28.1K]3 years ago

8 0

Answer:

yes

Explanation:

yesim guessing that yes u still have

LenaWriter [7]3 years ago

3 0

Answer:

Baroque Music:

Baroque music is another way to refer to Western classical music composed between approximately 1600 and 1750. Some of the most famous Baroque music composers included Bach, Handel, and Vivaldi.

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The average kinetic energy of uf6(g) is 4.98 kj/mol at some temperature. what is the average kinetic energy of sf6(g) at that sa

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4.98 kJ/mol would be the answer I believe :) hope this helped

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3 years ago

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In order to move a bag of dog food across a 10 meter room, you apply 20 newtons of force. How much work was done?

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The work done is calculated by multiplying the Force by the distance. So, 10x20 = 200 joules.

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A 29.0-kg block is initially at rest on a horizontal surface. A horizontal force of 71.0 N is required to set the block in motio

Julli [10]

Answer:

(a) $\mu_s=0.25$

(b) $\mu_k=0.20$

Explanation:

According to Newton's second law:

$\sum F_y:N=mg\\\sum F_x:F_a=F_f$

Recall that the frictional force is related jointly with the coefficient of friction and normal force $F_f=\mu N$ . Replacing in the above equation, we get the coefficient of friction:

$F_a=\mu N=\mu mg\\\mu=\frac{F_a}{mg}$

(a) The coefficient of static friction is related with the force required to set the block in motion:

$\mu_s=\frac{71N}{29kg*9.8\frac{m}{s^2}}\\\mu_s=0.25$

(b) The coefficient of kinetic friction is related with the force required to keep the block moving with constant speed:

$\mu_k=\frac{56N}{29kg*9.8\frac{m}{s^2}}\\\mu_k=0.20$

3 0

3 years ago

A block of mass 4 kilograms is initially moving at 5m/s on a horizontal surface. There is friction between the block and the sur

emmasim [6.3K]

• Net vertical force on the block:

∑ F = n - w = 0

(n = magnitude of normal force, w = weight)

n = w = m g

(m = mass, g = 9.8 m/s²)

n = (4 kg) (9.8 m/s²) = 39.2 N

• Net horizontal force:

∑ F = -f = m a

(f = mag. of friction, a = acceleration)

We have f = µ n = 0.5 (39.2 N) = 19.6 N, so

-19.6 N = (4 kg) a

a = -4.9 m/s²

With this acceleration, the block comes to a rest from an initial speed of 5 m/s, so that it travels a distance ∆x in this time such that

0² - (5 m/s)² = 2 (-4.9 m/s²) ∆x

∆x = (25 m²/s²) / (9.8 m/s²) ≈ 2.55 m ≈ 2.6 m

8 0

3 years ago

One way to conserve energy is to replace incandescent light bulbs with compact fluorescent bulbs. The fluorescent bulb typically

NemiM [27]

Answer:

cos to = $ 24

Explanation:

When replacing the bulb only 25% of the energy is used, therefore

W = 0.25 100

W = 25 W

Let's look for the energy in the life of the bulb

E = 25 10⁻³ 12000

E = 300 Kwh

now we can calculate the cost using a direct proportion rule.

Cost = 0.08 300

cos to = $ 24

4 0

3 years ago

1 question I still have about Baroque music​

1 question I still have about Baroque music