Question

A 2.03-g lead bullet traveling at 508 m/s strikes a target, converting its kinetic energy into...

A 2.03-g lead bullet traveling at 508 m/s strikes a target, converting its kinetic energy into thermal energy. Its initial temperature is 40.0°C. The specific heat is 128 J/(kg · °C), latent heat of fusion is 24.5 kJ/kg, and the melting point of lead is 327°C.

(a) Find the available kinetic energy of the bullet.
J

(b) Find the heat required to melt the bullet.
J

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

(a)

(b)

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Estimate the speed that a lead bullet must have in order that it melts completely when...
Estimate the speed that a lead bullet must have in order that it melts completely when it strikes a target. Assume that all the bullet’s kinetic energy goes into heat and that the bullet is initially at 20oC. The specific heat capacity of lead is 130 J / (kg oC), its melting point is at 327oC its latent heat of fusion is 24.5 kJ/kg.
A lead bullet of unknown mass leaves a rifle at a temperature of 87 C and...
A lead bullet of unknown mass leaves a rifle at a temperature of 87 C and hits a steel plate. Upon impact exactly half of the bullet's mass melts. Assume that only 40% of the bullet's initial kinetic energy goes into increasing its temperature and then partially melting it. What was the initial speed of the bullet? melting temperature of LEAd: 327 C specific heat of Lead: 0.13E3 J/(Kg.K) Latent heat of fusion: 22.9E3 J/kg
A 4.21 kg lead billet is to be melted for a casting operation. Lead has a...
A 4.21 kg lead billet is to be melted for a casting operation. Lead has a melting point of 328°C, a specific heat capacity of 128 J/(kg·°C), and a latent heat of fusion of 23,200 J/kg. (use correct number of significant figures in your final answer.) (a) Calculate the amount of heat required to heat the lead from a starting temperature of 21.7°C to its melting point of 328°C. (b) Calculate the amount of heat needed to melt the lead...
A lead bullet is shot down from the altitude of 100 m above the ground. What...
A lead bullet is shot down from the altitude of 100 m above the ground. What must be the minimal initial velocity of the bullet so that it completely melts after a perfectly inelastic collision with the ground? The initial temperature of the bullet is 500 K, melting temperature of lead is 600 K. Speci c heat capacity of lead is c = 130 J/(kgK), speci c heat of fusion of lead is r = 24 kJ/kg. The heat released...
A 0.00600 kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 21.4 kg door,...
A 0.00600 kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 21.4 kg door, embedding itself 11.3 cm from the side opposite the hinges as shown in the figure below. The 1.00 m wide door is free to swing on its frictionless hinges. A door shown from above such that its hinge is on the top side of the figure with the door going down. A bullet is traveling horizontally to the right towards the door on the...
A 0.00400-kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 20.0-kg door, embedding itself...
A 0.00400-kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 20.0-kg door, embedding itself 10.9 cm from the side opposite the hinges as shown in the figure below. The 1.00-m wide door is free to swing on its frictionless hinges. (a) Before it hits the door, does the bullet have angular momentum relative the door's axis of rotation? Yes No (b) If so, evaluate this angular momentum. (If not, enter zero.) kg · m2/s If not, explain why...
A 0.00400-kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 17.7-kg door, embedding itself...
A 0.00400-kg bullet traveling horizontally with speed 1.00 103 m/s strikes a 17.7-kg door, embedding itself 10.2 cm from the side opposite the hinges as shown in the figure below. The 1.00-m wide door is free to swing on its frictionless hinges. (a) Before it hits the door, does the bullet have angular momentum relative the door's axis of rotation? Yes No (b) If so, evaluate this angular momentum. (If not, enter zero.) kg · m2/s If not, explain why...
What mass of steam at 100°C must be mixed with 216 g of ice at its...
What mass of steam at 100°C must be mixed with 216 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 65.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and the latent heat of vaporization is 2256 kJ/kg.
What mass of steam at 100°C must be mixed with 162 g of ice at its...
What mass of steam at 100°C must be mixed with 162 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 71.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and the latent heat of vaporization is 2256 kJ/kg.
A 50 gram lead bullet is fired at 450 m/s to a 3 kg block of...
A 50 gram lead bullet is fired at 450 m/s to a 3 kg block of copper and penetrates the block. Assuming that the bullet does not leave the block, if the initial temperature of the bullet is 60°C and the block is originally at 30°C, a) Find the final temperature of the bullet-block system. (Assume that the system is isolated and there is no heat escaping the system) b) Is the dissipated energy (due to the collision) enough to...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT