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Vesna [10]
2 years ago
11

A flying stationary kite is acted on by a force of 9.8 N downward. The wind exerts a force of 45 N at an angle of 50.0 degrees a

bove the horizontal. Find the force that the string exerts on the kite.
Physics
1 answer:
Savatey [412]2 years ago
7 0

Answer:

38 N, 40.0° below the horizontal

Explanation:

Force exerted by an object equals mass times acceleration of that object: F = m ⨉ a. To use this formula, you need to use SI units: Newtons for force, kilograms for mass, and meters per second squared for acceleration.

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Telescopes, because we can visually visit the moon lol.
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3 years ago
An object moves with a positive acceleration. Could the object be moving with increasing speed, decreasing speed or constant spe
Masja [62]

Answer:

Increasing speed.

Explanation:

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration (a) = \frac{final \; velocity  -  initial \; velocity}{time}

In this scenario, an object moves with a positive acceleration. Thus, the object is moving with an increasing speed and as such it has acceleration in the same direction as its velocity with respect to time.

3 0
2 years ago
the scientists tested a hypothesis on running in the rain performed only one controlled experiment that supported their hypothes
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No it cannot because you would have to test it over and over again to make sure it was correct the first time.
7 0
2 years ago
An 68 kg man on ice skates is pushing his 34 kg son, also on skates, with a force of 115 N. Together, they move across the ice s
Radda [10]

Answer:

a)115 N

b)For father acceleration = 1.69 m/s²

For son acceleration = 3.28 m/s²

Explanation:

Given that

Mass of man(M)= 68 kg

Mass of son (m)= 34 kg

F= 115 N

As we know that from third law of Newtons ,It sates that every action have it reaction in opposite direction but same in magnitude.

So the force exerted by boy on father = 115 N

From Newtons second law of motion

F= m a

F=Force

m= mass

a=acceleration

For father

115 = 68 x a

a=1.69 m/s²

For son

115  = 35 x a'

a'=3.28  m/s²

8 0
3 years ago
Calculate the displacement of the volleyball in sample problem 2f when teh volleyballs final velocity is 1.1 m/s upward
stich3 [128]
We have: v i (initial velocity) = 6 m/sv = 1.1 m/sa = - 9.8 m/s²v = v i + a · t1.1 m/s = 6 m/s - 9.8 m/s² t9.8 t = 6 - 1.19.8 t = 4.9t = 4.9 : 9.8t = 0.5 sThen the replacement:x = xi + vi · t + a t² / 2( xi = 0 )x = 6 · 0.5 - 9.8 · 0.25 / 2x = 3 - 1.225Answer:
x = 1.775 m

4 0
3 years ago
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