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victus00 [196]
3 years ago
10

Explain how force (F=ma), momentum (p=mv), energy, and gravity play a part in a launching sequence.

Physics
2 answers:
luda_lava [24]3 years ago
8 0

If the mass bigger and the acceleration faster, the force is bigger(F = ma). The rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force(p=mc) The gravity can affect the resultant force as weight when the object launch.

<em>sorry</em><em> </em><em>if</em><em> </em><em>there</em><em>'s</em><em> </em><em>any</em><em> </em><em>grammar</em><em> </em><em>mista</em><em>ke</em>

almond37 [142]3 years ago
5 0
Force is directly proportional to acceleration and inversely proportional to the mass. The acceleration vector of an object is in the same direction of the net force vector.

Momentum is mass times velocity. If you take the derivative of momentum with respect to time, you get the answer of (m*a) So therefore F = the derivative of momentum.

An object has potential energy depending on the situation it is in. This includes location mostly. If you launch an object on a cliff, it has a large amount of potential energy which is quickly converted into kinetic energy once it starts moving.

Gravity accelerates an object toward the center of mass. In a projectiles case, that would be earth. So once you shoot a projectile, it will accelerate towards the earth at -9.8 meters per second squared. Gravity itself gives the object potential energy

Idk if this helped at all. Hopefully it helped you understand the concepts and you can then research them yourself more in depth. My bad if I made any mistakes
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A rock is at the top of a 20 meter tall hill. The rock has a mass of 10kg. How much potential energy does it have?
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7 0
3 years ago
Two violinists are trying to play in tune. However, whenever they play their A string at the same time they hear a beat frequenc
kaheart [24]

Answer:

The possible frequencies for the A string of the other violinist is 457 Hz and 467 Hz.

(3) and (4) is correct option.

Explanation:

Given that,

Beat frequency f = 5.0 Hz

Frequency f'= 462 Hz

We need to calculate the possible frequencies for the A string of the other violinist

Using formula of frequency

f'=f_{1}-f...(I)

f'=f_{1}+f...(II)

Where, f= beat frequency

f₁ = frequency

Put the value in both equations

f'=462-5=457\ Hz

f'=462+5=467\ Hz

Hence, The possible frequencies for the A string of the other violinist is 467 Hz and 457 Hz.

4 0
3 years ago
A guitar string has a linear density of 8.30 ✕ 10−4 kg/m and a length of 0.660 m. the tension in the string is 56.7 n. when the
Sedbober [7]
Ans: Beat Frequency = 1.97Hz

Explanation:
The fundamental frequency on a vibrating string is 

f =   \sqrt{ \frac{T}{4mL} }<span>  -- (A)</span>

<span>here, T=Tension in the string=56.7N,
L=Length of the string=0.66m,
m= mass = 8.3x10^-4kg/m * 0.66m = 5.48x10^-4kg </span>


Plug in the values in Equation (A)

<span>so </span>f = \sqrt{ \frac{56.7}{4*5.48*10^{-4}*0.66} }<span> = 197.97Hz </span>

<span>the beat frequency is the difference between these two frequencies, therefore:
Beat frequency = 197.97 - 196.0 = 1.97Hz
-i</span>
3 0
3 years ago
Read 2 more answers
A particle of mass 4.5 × 10-8 kg and charge +5.4 μC is traveling due east. It enters perpendicularly a magnetic field whose magn
egoroff_w [7]

Answer:

0.00970 s

Explanation:

The centripetal force that causes the charge to move in a circular motion = The force exerted on the charge due to magnetic field

Force due to magnetic field = qvB sin θ

q = charge on the particle = 5.4 μC

v = velocity of the charge

B = magnetic field strength = 2.7 T

θ = angle between the velocity of the charge and the magnetic field = 90°, sin 90° = 1

F = qvB

Centripetal force responsible for circular motion = mv²/r = mvw

where w = angular velocity.

The centripetal force that causes the charge to move in a circular motion = The force exerted on the charge due to magnetic field

mvw = qvB

mw = qB

w = (qB/m) = (5.4 × 10⁻⁶ × 2.7)/(4.5 × 10⁻⁸)

w = 3.24 × 10² rad/s

w = 324 rad/s

w = (angular displacement)/time

Time = (angular displacement)/w

Angular displacement = π rads (half of a circle; 2π/2)

Time = (π/324) = 0.00970 s

Hope this Helps!!!

4 0
3 years ago
Define uniform and non uniform
cricket20 [7]

Answer:

When a body moves along a straight line with uniform speed or steady speed is called Uniform motion. When a body moves along a straight line but with variable or change in speed is called non-uniform motion.Hope this answer helps.

7 0
2 years ago
Read 2 more answers
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