What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s²?

2 answers:

mihalych1998 [28]3 years ago

6 0

Newton's Second law of motion:

Force = (mass) x (acceleration)

Force = (15kg) x (8m/s²) = 120 kg-m/s² = 120 newtons

USPshnik [31]3 years ago

4 0

The equation for force is force is equal to mass times acceleration or $F = ma$ where:

- Force or F is measured in Newtons or N (which is also kilogram-meter per second squared),
- Mass or m is measured in kilograms or kg, and acceleration is measured in meters per second or m/s2.

This leads to an answer in kilogram-meter per second squared or kg- m/s2<span>So if we multiply a body with a mass of 15 kilograms to a rate of 8 meters per second, we get 120 kilogram-meter per second squared. </span>

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A 120 resistor a 60 ohm resistor and a 40 ohm resistor are connected in parallel to a 120 volt power source. what is the current

larisa [96]

Answer:

6 A

Explanation:

First of all, we need to calculate the equivalent resistance of the circuit. The three resistors are connected in parallel, so their equivalent resistance is given by:

$\frac{1}{R_T}=\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}=\frac{1}{120 \Omega}+\frac{1}{60 \Omega}+\frac{1}{40 \Omega}=\frac{3+2+1}{120 \Omega}=\frac{6}{120 \Omega}\\R_T = \frac{120}{6} \Omega$