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Mkey [24]
3 years ago
12

Badminton is only an individual sport True False (This is gym)

Physics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:

false

Explanation:

777dan777 [17]3 years ago
6 0

Answer:

False

Explanation:

Badminton is only an individual sport

True

False

(This is gym)

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A man exerts a constant force to pull a 51-kg box across a floor at constant speed. He exerts this force by attaching a rope to
Vitek1552 [10]

Answer:

W=561.41 J

Explanation:

Given that

m = 51 kg

μk = 0.12

θ = 36.9∘

Lets F is the force applied by man

Given that block is moving at constant speed it mans that acceleration is zero.

Horizontal force = F cos θ

Vertical force = F sinθ

Friction force Fr=  μk N

N +  F sinθ = m g

N = m g -  F sinθ

Fr =  μk (m g -  F sinθ)

For equilibrium

F cos θ =  μk (m g -  F sinθ)

F ( cos θ +μk  sinθ)  = μk (m g

Now by putting the values

F ( cos 36.9∘ + 0.12 x sin36.9∘)=0.12 x 51 x 10

F= 70.2 N

We know that Work

W= F cos θ .d

W= 70.2 x cos 36.9∘ x 10

W=561.41 J

3 0
3 years ago
1. What precaution should an acrobat athlete take to do skywalk?
abruzzese [7]
1.could be anything... make sure there is safety nets below in case of an accident?
2. F1 car is more stable because the center of gravity is lower than the double deckers center of gravity
3. To find the mass of an object just put it on the scale, to find the volume put the object in a marked beaker to measure the water displacement which is the volume
4 0
3 years ago
A model rocket accelerates at 15.3 m/s2 with a force of 44 N.
melamori03 [73]
To calculate the mass of the body moving, we use Newton's second law of motion which is F = ma where F is the force, m is the mass of the object and a is its acceleration.

F = ma
44 = m(15.3)
m = 2.9 kg

The mass of the rocket would be 2.9 kg.
8 0
3 years ago
Read 2 more answers
Which is an example of a decomposer a hawk a mouse a flower or a mushroom
Alika [10]
A mushroom is a decomposer
8 0
3 years ago
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Calculate the magnitude of the focal length and power of a spherical mirror that has a radius of 5.00 cm.
yarga [219]

Answer:

2.5 cm

40 D

Explanation:

When the radius of curvature of a lens is divided by 2 we get the focal length of the lens.

Focal length is given by

f=\dfrac{R}{2}\\\Rightarrow f=\dfrac{5}{2}\\\Rightarrow f=2.5\ cm

The focal length of the lens is 2.5 cm

When we divide 1 by the focal length in the unit of meters we get the power of a lens

Power of a lens is given by

P=\dfrac{1}{f}\\\Rightarrow P=\dfrac{1}{0.025}\\\Rightarrow P=40\ D

The power of the lens is 40 D

5 0
3 years ago
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