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scoray [572]
3 years ago
5

The mechanical energy of a 2kg body is 35J and its potential energy is 10J calculate speed energy​

Physics
1 answer:
Anna11 [10]3 years ago
5 0

Answer:

20

Explanation:

20 multiplied by 2

hope i hv answered ur question

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What is the resultant fore acting on a 500g object accelerating 5m/s2
zimovet [89]

2.5N

Explanation:

Given parameters:

Mass of object = 500g

Acceleration = 5m/s²

unknown:

Resultant force = ?

Solution:

According to Newton's second law "the net force on a body or the resultant force is the product of its mass and acceleration".

Resultant or net force = m x  a

where  m is the mass

         a is the acceleration

Now we need to convert the mass to kg

 1000g  = 1kg

 500g  = \frac{500}{1000} = 0.5kg

Therefore;

 Input the parameters:

    Force = 0.5 x 5 = 2.5N

learn more:

Newton's law brainly.com/question/11411375

#learnwithBrainly

3 0
3 years ago
a 15.0 kg block is dragged over a rough, horizontal surface by a 70n force acting at 20degrees above the horizontal. the block i
jenyasd209 [6]

Answer:

See below

Explanation:

See diagram below

  Horizontal force of the 70 N :      70 cos 20

  Vertical force of    the 70 N  :    

                                            70 sin20 <====this lessens the normal force, Fn

Gravitational force = mg = 15 (9.81) = 147.15 N

Work = force * distance =    (70 cos 20 N - Ff   )   * 5 M =  144.1  J

4 0
2 years ago
Why do athletes use mouth guards and what are there a purpose? Please help!
taurus [48]

Explanation: Mouth guards protect your teeth when playing a sport. Just Incase a sports equipment comes in contact with your mouth, it protects your teethe from being chipped and broken. Athletes use mouth guards to protect their teeth from being damaged while they’re playing their desired sport.

7 0
3 years ago
A car travels at a speed of 64 km/h for 45 minutes how far does it travel
Likurg_2 [28]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Use the formula:

distance = speed x time

Convert 45 minutes into hours:

45 minutes ==> 0.75 hours

Substitute the values in:

distance = 64 x 0.75

Solve:

distance = 48km

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
HEEEEELLLLPPPPPPPPP pldzzdd​
geniusboy [140]

Answer:

A: 240 watts

Explanation:

Hopefully this helps!

4 0
3 years ago
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