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stepan [7]
3 years ago
13

Why are the temperatures a long coast lines more moderate then temperatures in land

Physics
1 answer:
Yakvenalex [24]3 years ago
6 0
Because typically, temperatures along water tend to be colder, rather then on land it may be warmer.
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A gymnast of mass 62.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume t
MrRissso [65]

Answer:

a) T = 608.22 N

b) T = 608.22 N

c) T = 682.62 N

d) T = 533.82 N

Explanation:

Given that the mass of gymnast is m = 62.0 kg

Acceleration due to gravity is g = 9.81 m/s²

Thus; The weight of the gymnast is acting downwards and tension in the string acting upwards.

So;

To calculate the tension T in the rope if the gymnast hangs motionless on the rope; we have;

T = mg

= (62.0 kg)(9.81 m/s²)

= 608.22 N

When the gymnast climbs the rope at a constant rate tension in the string is

= (62.0 kg)(9.81 m/s²)

= 608.22 N

When the gymnast climbs up the rope with an upward acceleration of magnitude

a = 1.2 m/s²

the tension in the string is  T - mg = ma (Since acceleration a is upwards)

T = ma + mg

= m (a + g )

= (62.0 kg)(9.81 m/s² + 1.2  m/s²)

= (62.0 kg) (11.01 m/s²)

= 682.62 N

When the gymnast climbs up the rope with an downward acceleration of magnitude

a = 1.2 m/s² the tension in the string is  mg - T = ma (Since acceleration a is downwards)

T = mg - ma

= m (g - a )

= (62.0 kg)(9.81 m/s² - 1.2 m/s²)

= (62.0 kg)(8.61 m/s²)

= 533.82 N

5 0
3 years ago
A good refrigerant must have a high boiling point. Question 5 options: True False
Liono4ka [1.6K]

Answer:

true a good refrigiant needs a high boiling point

5 0
3 years ago
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Which planet, when viewed through a telescope, appears as a reddish ball interrupted by some permanent dark regions that change
Andrej [43]
The answer should be Mars. 
4 0
3 years ago
Read 2 more answers
Why is space black if the sun is shining
faltersainse [42]

Answer:One star can't light up a whole universe

Explanation:It is like saying one light can feel up the whole town which it can't  do.

5 0
3 years ago
Every complete circuit includes a device that provides emf. What type of quantity?
laiz [17]

Answer:

energy per unit charge

Explanation:

EMF is energy per unit charge and has unit joule/ coulomb, where joule is unit of energy and coulomb is the unit of charge.

6 0
3 years ago
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