What is the final temperature of 0.5 kg of water initially at 18 °C after 65 kJ of

heat is added

a. 31 °C

b. 42 °C

c. 49 °C

d. 27 °C

Air is primarily composed of Nitrogen and oxygen gases. Which state of these gases can conduct electricity? A) gas B) liquid C) plasma D) solid

Which of the following is NOT an important positive motivating factor for those considering exercise? a. building strength, endurance, and energy b. reducing time commitments to family c. improvement of health and performance d.

When a wire that has a large diameter and a length L is connected across the terminals of an automobile battery, the current is 40 A.

What is the weight of a 45 kg box in newtons

What type of transfer is affected by color

Two football players collide on the field. Before the collision, their total momentum was 450 kgm/s to the north. What is their total momentum after the collision? A. More than 450 kgm/s north B. 450 kgm/s north C. Less than 450 kgm/s north D.

Jane and John Doppler effect

If you combine 430.0 ml of water at 25.00 °c and 140.0 ml of water at 95.00 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of water. s

While working out, a man performed 200 j of work in 3 seconds. What was his power?

A funnel-shaped low pressure closure