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Romashka-Z-Leto [24]
3 years ago
8

Determine if each phrase describes speed or velocity Sort each tile into the appropriate column

Physics
1 answer:
Andreyy893 years ago
4 0

Answer:

Speed

• distance per time

• a scalar quantity

• 400 km/h

Velocity

• a vector quantity

• 20 m/s south

• displacement per time

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Why would a person who weighs 100 lbs. on Earth weigh significantly more on Ju-piter?
Nitella [24]

Answer:

Is a

Explanation:

8 0
3 years ago
1 point<br> How much force is needed to accelerate an 84-kg boulder at a rate of 6.4<br> m/s/s? *
Katen [24]

Answer:

<h2>537.6 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 84 × 6.4

We have the final answer as

<h3>537.6 N</h3>

Hope this helps you

5 0
3 years ago
What type of Psychologist was B.F. Skinner?
Sladkaya [172]

Answer:

Behaviorist

Explanation:

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4 0
2 years ago
A cart is loaded with a brick and pulled at constant speed along an inclined plane to the height of a seat-top. If the mass of t
grandymaker [24]

Answer:

13.23J

Explanation:

PE = m*g*h

PE = (3 kg ) * (9.8 m/s/s) * (0.45 m)

3 0
3 years ago
Read 2 more answers
A light spring stretches 0.13 m when a 0.35 kg mass is hung from it. The mass is pulled down from this equilibrium position an a
Alenkasestr [34]

Answer:

v = 1.30 m/s

Explanation:

given,

mass hung = 0.35 Kg

spring stretched when load is hanged  (x)= 0.13 m

now,

weight of the mass attached = Kx

             m g = k x

             0.35 x 9.8 = k x 0.13

                k = 26.38 N/m

now, using conservation of energy

 \dfrac{1}{2}mv^2 = \dfrac{1}{2}kx'^2

 v = \sqrt{\dfrac{kx'^2}{m}}

 v = \sqrt{\dfrac{26.38 \times 0.15^2}{0.35}}

 v = \sqrt{1.6958}

    v = 1.30 m/s

6 0
3 years ago
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