Problemas
27. A.20 kg object is at rest.A 6 N force pulls to the right the object for 10 seconds. A) Find the impulse on the object. B) Find the final momentum of the object. C) What is it's final velocity?
Roztwór
Alberto
veterano · Tutor durante 10 años
4.2
(244 Votos)
Respuesta
A) The impulse on the object is 60 kg.m/s.B) The final momentum of the object is 60 kg.m/s.C) The final velocity of the object is 3 m/s.
Explicación
## Step 1The problem involves the concepts of force, impulse, momentum, and velocity. ## Step 2A) Impulse is defined as the product of the force and the time interval during which the force acts. In this case, the force is 6N and the time is 10 seconds. Therefore, the impulse can be calculated by multiplying these two values.### **Impulse = Force x Time**## Step 3B) Momentum is the product of an object's mass and its velocity. Since the object is initially at rest, its initial momentum is zero. The final momentum is the impulse, which we calculated in step 2.### **Momentum = Mass x Velocity**## Step 4C) The final velocity of the object can be found by dividing the final momentum by the mass of the object. This is because momentum is the product of mass and velocity.### **Velocity = Momentum / Mass**