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Svetllana [295]
3 years ago
6

A runner starts at position 0, and moves in one direction to position 12m. What is the distance traveled by the runner? What was

the runner’s displacement?
Physics
2 answers:
Harrizon [31]3 years ago
5 0
Since the runner only moved in one direction, his distance and placement are the same.

The distanced travelled/his displacement is 12 metres. :)
Snezhnost [94]3 years ago
3 0

Answer:

Distance = Displacement = 12 meters

Explanation:

Total distance covered by a person is equal to the total path covered while the displacement of a person is equal to the shortest path covered.

Here, a runner starts at position 0, and moves in one direction to position 12m.

Here, the distance covered and the displacement both are same i.e. 12 meters. Hence, this is the required solution.

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If an automobile engine delivers a power of 50.0 hp, how much time will it take for the engine to do 6.40 x 10^4 j of work? (1 h
aleksandrvk [35]

Given data

Power (P) = 50 hp,

                = 50 × 746,  we know that 1 hp = 746 W.

                = 37300 Watts      (Watt = J/s)  

Work  = 6.40 ×10⁴ J

Power is defined as rate of doing work and the unit of power is<em> Watt.</em>

Mathematically,

         Power = (Work / time)   Watts

                     = 6.40 ×10⁴ / time

          37300 W = 6.40 ×10⁴ J /time      (Where time in seconds)

         => time = Work/Power

                      = 6.40 ×10⁴/37300

                      = <em>1.74 seconds  </em>

<em>  </em><em>Therefore , the engine need 1.74 seconds to do 6.40 6.40 ×10⁴ J of work </em>

<em> </em>


7 0
4 years ago
In a race, you run 3000 meters east in 21 minutes. What is your velocity in km/min?
STALIN [3.7K]

velocity = distance / time      v= d/t          firstly you change 3000 m into km     distance  D = 3000/1000  = 3 km             secondly   time t = 21 min      using velocity formula v = d/t       = 3 km/21min       =0.142km/min

6 0
3 years ago
A moving object has a kinetic energy of 150 J and a momentum of 25.1 kg·m/s.
PolarNik [594]

Answer:

11.95m/s

Explanation:

A moving object has a kinetic energy of 150 J and a momentum of 25.1 kg·m/s.

a) Find the speed of the object. Answer in units of m

K. E =½mv²

150= ½mv²

Multiply both sides by 2

mv² = 300

Divide both sides by v²

m = 300/v² ..................  Equation 1

Momentum is the product of mass and velocity

Momentum = mv

25.1 = mv

Divide both sides by v

m = 25.1/v ................ Equation 2

Equate equations 1 and 2

300/v² = 25.1/v

Cross multiply

25.1v² = 300v

Multiply v with both sides

25.1v = 300

Divide both sides by 25.1

v = 300/25.1

V = 11.95m/s

I hope this was helpful, please mark as brainliest

8 0
3 years ago
How much time is required for 48.96 C of charge to move through an electric juicer if the current through the juicer is 1.39 A?
OleMash [197]
The relationship between the charge flowing through a conductor, the current flowing through the conductor and the time is:
Q = It
Where Q is the charge, I is the current and t is the time of application of the current. Substituting the values:
48.96 = 1.39 x t
t = 35.2 seconds
8 0
3 years ago
Whats goku uchihas quirk
trasher [3.6K]

Answer:All for sage mode

Explanation:

big brain

5 0
3 years ago
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