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Juli2301 [7.4K]
3 years ago
8

Look at jackie's planned workout. Based on her entries, what would she do to maintain an effective long term workout routine

Physics
1 answer:
ivann1987 [24]3 years ago
3 0
What is jackie's planned workout? .-.
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Gravitational Force: Two small objects, with masses m and M, are originally a distance r apart, and the magnitude of the gravita
Alona [7]

Law of universal gravitation:

F = GMm/r²

F = gravitational force, G = gravitational constant, M & m = masses of the objects, r = distance between the objects

F is proportional to both M and m:

F ∝ M, F ∝ m

F is proportional to the inverse square of r:

F ∝ 1/r²

Calculate the scaling factor of F due to the change in M:

k₁ = 2M/M = 2

Calculate the scaling factor of F due to the change in m:

k₂ = 2m/m = 2

Calculate the scaling factor of F due to the change in r:

k₃ = 1/(4r/r)² = 1/16

Multiply the original force F by the scaling factors to obtain the new force:

Fk₁k₂k₃

= F(2)(2)(1/16)

= F/4

4 0
3 years ago
On his fishing trip Justin takes the boat 25 km south. The fish aren’t biting so he goes 10 km west. He follows a school of fish
S_A_V [24]

Distance is 50 km

Displacement is 10 km

<u>Explanation:</u>

Given:

Distance toward south, x = 25 km

Distance towards west, y = 10 km

Distance towards north, z = 15 km

(a) Total distance, D = ?

Total distance, D = x + y + z

                       D = 25 + 10 + 15

                       D = 50km

(b) Displacement, d = ?

Displacement = final position - initial position

                      = 10 - 0 km

                      = 10km

8 0
3 years ago
Which of the following is a personal decision that involves science?
malfutka [58]
A because its the only one that actually involves science
4 0
3 years ago
_____ In order to form an electric circuit, you need to have a power source. a light bulb or some resistance. wires or conductor
My name is Ann [436]

Answer:

True

Explanation:

The satement is valid.

8 0
3 years ago
A train is traveling north. it goes 200 km /hr for 2.5 hours how far did the train go.
DerKrebs [107]

Answer:

500Km

Explanation:

This question is an example of speed, distance, time.

The formula for working out the distance is: Speed*Time

To work this out you would need to multiply the speed of 200Km/h by the time of 2.5 hours, this gives you 500 Km. This is because the formula to work out the distance is speed * time.

In adittion, if the train is traveling at 200km per hour then that means that over the course of an hour the distance travelled would be 200Km. So, by multiplying the speed by the time you are working out how far it travelled in that given time.

1) Multiply 200 by 2.5.

200*2.5=500Km

5 0
3 years ago
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