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PilotLPTM [1.2K]
2 years ago
10

Find the amount of force required to move an object of 1200 kg at a velocity of 54 km/hr?​​

Physics
1 answer:
Mkey [24]2 years ago
4 0

Answer:

0 Newtons

Explanation:

The velocity of the object does not change, it is a constant 54 km/hr. When velocity does not change, acceleration is zero. Using the formula Force = mass x acceleration, we find:

mass = 1200 kg

acceleration = 0

F  = (1200)(0) = 0

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A train travels 70 kilometers in 1 hours, and then 63 kilometers in 2 hours. What is its average speed?
lozanna [386]
The answer is:  " 44 \frac{1}{3} km " ; 
                              or; write as:  " 44.333 km " .
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Explanation:
___________________________________________________________
(70 km + 63 km) ÷ (2 + 1 ) =  133 km ÷ 3 =  " 44 \frac{1}{3} km "  ; 
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3 0
3 years ago
si un disco fue lanzado con una fuerza de 1000 N, y el disc recorrió una distancia e o.6 m ¿Qué trabajo efectuó el lanzador ?
Alexeev081 [22]

Answer:

Trabajo realizado = 600 Nm

Explanation:

Dados los siguientes datos;

Fuerza = 1000 Newton

Distancia = 0.6 metros

Para encontrar el trabajo realizado;

Trabajo \; realizado = fuerza * distancia

Sustituyendo en la ecuación, tenemos;

Trabajo \; realizado = 1000 * 0.6

Trabajo realizado = 600 Nm

4 0
2 years ago
A carousel has a radius of 1.60 m and a moment of inertia of 122 kg · m2 . a girl of mass 40.5 kg is standing at the edge of th
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3 years ago
Help please, i don't know what the answer is but i accidently clicked D .....
GaryK [48]

Answer:

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4 0
3 years ago
Which correctly expresses the relationship between voltage, current, and resistance? V = I/R V = IR V = R/I V = I+R
Ann [662]

Answer:

V = IR

Explanation:

Voltage is denoted by V, current is denoted by I and resistance is denoted by R. Voltage is the difference of electric potential between two points. Current is the measure of the rate of flow of electric charge. Resistance is a measure how a device reduces the current flow through itself.

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8 0
3 years ago
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