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3 years ago

11

CONVERT 5 SOLAR DAYS INTO SECOND

1 answer:

zhannawk [14.2K]3 years ago

7 0

Answer:

5 solar days is 432,000 seconds

Explanation:

One solar day is the time the meridian of the Sun crosses passes through a specified place.

Due to the elliptical orbit of the Earth round the Sun, one average solar day on Earth is equivalent to 24 hours with some days longer and some days shorter each by a few minutes

Therefore, we have;

5 solar days = 5 × 24 hours × 60 minutes/hour × 60 seconds/minute = 432,000 seconds

5 solar days = 432,000 seconds

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What are two ways an object can gain more gravitational potential energy?

Ostrovityanka [42]

When an item is raised, the work is done in opposition to gravity. When an item is worked on, energy is transmitted to it, and it develops gravitational potential energy. If the same thing falls from that height, gravity must do the same amount of effort to bring it back to the Earth's surface.

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2 years ago

Read 2 more answers

A hummingbird flies 1.2 m along a straight path at a height of 3.4 m above the ground. Upon spotting a flower below, the humming

Viefleur [7K]

Answer:1.84

Explanation:

Given

Humming bird travels 1.2 m along a straight line at height of 3.4 m

Now bird drops 1.4 m to hover in front of the flower

So bird net displacement is

displacement $=\sqrt{1.2^2+1.4^2}$

displacement $=\sqrt{3.4}$

=1.84

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3 years ago

An electric motor exerts a constant torque of 10 Nm on a grindstone mounted on its shaft. The moment of inertia of the grindston

Dmitry_Shevchenko [17]

Answer:

Angular acceleration = 5 rad /s ^2

Kinetic energy = 0.391 J

Work done = 0.391 J

P =6.25 W

Explanation:

The torque is given as moment of inertia × angular acceleration

angular acceleration = torque/ moment of inertia

= 10/2= 5 rad/ s^2

The kinetic energy is = 1/2 Iw^2

w = angular acceleration/time

=5/8= 0.625 rad /s

1/2 × 2× 0.625^2

=0.391 J

The work done is equal to the kinetic energy of the motor at this time

W= 0.391 J

The average power is = torque × angular speed

= 10× 0.625

P = 6.25 W

6 0

4 years ago

A trout jumps, producing waves on the surface of a 0.8-mdeep mountain stream. If it is observed that the waves do not travel ups

alina1380 [7]

Answer:

The value is $v = 2.8 \ m/s$

Explanation:

From the question we are told that

The depth of the mountain is $d = 0.8 \ m$

Generally the velocity of the surface wave is mathematically represented as

$v = \sqrt{ g * d }$

=> $v = \sqrt{ 9.8 * 0.8 }$

=> $v = 2.8 \ m/s$

Generally using the Froude number is mathematically represented as

$Fr = \frac{ V }{ v }$

Here V is the velocity of the current

Given that the waves do not travel upstream, then the flow of the current is supercritical which means that

$\frac{ V }{ v } > 1$

=> $V > v$

=> $V > 2.8 \ m/s$

Hence the minimum velocity of the current is

$v = 2.8 \ m/s$

This because the velocity of the current is greater velocity of the surface wave , so minimum will be like the lowest possible value of V which is v

5 0

3 years ago

The hours of daylight and night time are equal during ______________.

iris [78.8K]

Answer:

The answer is 'an equinox'.

3 0

3 years ago