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Thepotemich [5.8K]
3 years ago
12

A block is on a ship. Its weight is 45 N. The gravity acceleration g = 10 N/kg. When the block is brought to a space station sur

rounding the Earth, how much is its mass?
Physics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

4.5 kg

Explanation:

Since weight, W = mg where m = mass and g = gravity acceleration = 10 N/kg and W = 45 N

m = W/g

= 45 N/10 N/kg

= 4.5 kg

The mass of the block on the ship is thus 4.5 kg. Since mass is an intrinsic property of a substance and does not change with location, the mass of the block when it is brought to as space station surrounding the earth is also 4.5 kg.

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Water flows through a pipe. The diameter of the pipe at point b is larger than at point a. Where is the water pressure greatest?
FrozenT [24]

The water pressure is greatest at point B which has a larger diameter in this scenario.

<h3>What is Pressure?</h3>

This is defined as the force per unit area of a substance with its unit being Pascal.

The larger diameter will have more force acting on the sides which translates to a greater pressure.

Read more about Pressure here brainly.com/question/25736513

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3 0
2 years ago
Maximum range of a projectile is 1.6 m. Then the velocity of projection will be..... (g=10m/s)
qaws [65]

Answer:

4 m/s

Explanation:

From the question given above, the following data were obtained:

Maximum range (Rₘₐₓ) = 1.6 m

Acceleration due to gravity (g) = 10 m/s²

Initial velocity (u) =?

The initial velocity of the projectile can be obtained as follow:

Rₘₐₓ = u² / g

1.6 = u² / 10

Cross multiply

u² = 1.6 × 10

u² = 16

Take the square root of both side

u = √16

u = 4 m/s

Therefore, the velocity of the projectile is 4 m/s

6 0
3 years ago
Sea and land breezes over a large region that change direction with the seasons are called_____________.
Nataliya [291]
Monsoon. Sea and land breezes over a large region that change direction with the seasons are called. Global winds.
8 0
3 years ago
If you drop a bouncing ball from a height of 40 centimeters, explain why it can only bounce back up to a height of less than 40
iren2701 [21]

Answer:

Due to energy loss while collision ball will not reach to same height while if there is no energy loss then in that case ball will reach to same height

Explanation:

As we know that initially ball is held at height h = 40 cm

So here we can say that kinetic energy of the ball is zero and potential energy is given as

U = mgH

now when strike with the ground then its its fraction of kinetic energy is lost in form of other energies

So the ball will left rebound with smaller energy and hence it will reach to height less than the initial height

While if we assume that there is no energy loss during collision then in that case ball will reach to same height again

8 0
3 years ago
Q25) A room whose length is 10 m and its width is 8 m, using ceramic as its floor. The size of the
mariarad [96]

Answer:

2000 pieces

Explanation:

The number of tiles is given by dividing the area of room by the area of each tile. In this case,

thw areas are as shown below

Area of room is 8*10= 80 m2

Converting dimensions of tiles from cm to m then

Area of tiles is 0.2*0.2= 0.04 m2

No of tiles is 80/0.04=2000 tiles

7 0
3 years ago
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