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3 years ago

When will the motion of an object be

Physics

1 answer:

mafiozo [28]3 years ago

5 0

Answer:

C. The forces are balanced.

Explanation:

Every answer other than C means the object moved.

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If a net force of 250 N causes an object to accelerate at 20m/s^2 what must its mass be?

aleksandr82 [10.1K]

The answer is 12.5 kg because 250N / 20m/s^2

I hope that helped

7 0

4 years ago

A canister is filled with 310 g of ice and 100. G of liquid water, both at 0 ∘c . The canister is placed in an oven until all th

olya-2409 [2.1K]

Here in the process we require

1. Heat to melt down all ice

2. Heat to raise the temperature of whole water to 100 degree C

3. Heat to boil off the water

now here for the first part

Heat required to melt the ice

$Q_1 = mL$

$Q_1 = 310*80 = 24800 cal$

now heat required to raise the temperature to 100 degree C

$Q_2 = ms\Delta T$

$Q_2 = (310 + 100)*1*(100 - 0)$

$Q_2 = 41000 cal$

Now heat required to boil it off

$Q_3 = mL$

$Q_3 = 410*540 = 221400 cal$

now the total heat required will be

$Q = Q_1 + Q_2 + Q_3$

$Q = 24800 + 41000 + 221400$

$Q = 287200 cal$

so it required 287200 calorie heat to boil it all water

6 0

3 years ago

What does it mean when work is positive?

dmitriy555 [2]

Answer:

When force and displacement are in the same direction, the work performed on an object is said to be positive work. Example: When a body moves on the horizontal surface, force and displacement act in the forward path. The work is done in this case known as Positive work.

Explanation:

Hope this helps you

5 0

3 years ago

Read 2 more answers

I don't know the answer but I think that it is yes I just don't want to get it wrong

Scrat [10]

The answer is true!! Plants rely on animals to distribute seeds and animals depend on plants for food shade etc.

8 0

3 years ago

A charge q = 2.00 μC is placed at the origin in a region where there is already a uniform electric field = (100 N/C) î. Calculat

SVETLANKA909090 [29]