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Questions and Answers
A 2 kg object is moving at a velocity of 4 m/s. What is the momentum of the object?
A 2 kg object is moving at a velocity of 4 m/s. What is the momentum of the object?
The momentum of the object is 8 kg m/s.
A projectile is launched at an angle of 30° to the horizontal. What is the direction of the acceleration of the projectile at the highest point of its trajectory?
A projectile is launched at an angle of 30° to the horizontal. What is the direction of the acceleration of the projectile at the highest point of its trajectory?
The acceleration is vertically downward, with a magnitude of 9.8 m/s².
A force of 10 N is applied to an object for 2 seconds. What is the impulse of the force?
A force of 10 N is applied to an object for 2 seconds. What is the impulse of the force?
The impulse of the force is 20 Ns.
A 5 kg object is lifted 2 m vertically upward. What is the change in potential energy of the object?
A 5 kg object is lifted 2 m vertically upward. What is the change in potential energy of the object?
A 10 kg object is moving at a velocity of 3 m/s. What is the kinetic energy of the object?
A 10 kg object is moving at a velocity of 3 m/s. What is the kinetic energy of the object?
What is the main difference between vertical and horizontal motion, and provide an example of a real-world scenario where both types of motion occur simultaneously.
What is the main difference between vertical and horizontal motion, and provide an example of a real-world scenario where both types of motion occur simultaneously.
Explain how the concept of conservation of momentum applies to a closed system, and provide an example of a real-world situation where this concept is observed.
Explain how the concept of conservation of momentum applies to a closed system, and provide an example of a real-world situation where this concept is observed.
What is the relationship between work and energy, and provide an example of a situation where work is done on an object, resulting in a change in its energy?
What is the relationship between work and energy, and provide an example of a situation where work is done on an object, resulting in a change in its energy?
Explain the concept of electrical energy, and provide an example of a device that converts electrical energy into another form of energy.
Explain the concept of electrical energy, and provide an example of a device that converts electrical energy into another form of energy.
How does the concept of kinetic energy relate to an object's velocity, and provide an example of a situation where an object's kinetic energy is converted into potential energy?
How does the concept of kinetic energy relate to an object's velocity, and provide an example of a situation where an object's kinetic energy is converted into potential energy?
