This topic contains a solution. Click here to go to the answer

Author Question: Calculate the quantity of heat, in kJ, required to raise the temperature of a 2.15 kg iron bar 24.0 ... (Read 348 times)

tfester

  • Hero Member
  • *****
  • Posts: 534

Question 1

Calculate the kinetic energy of a 150 g baseball moving at a speed of 39. m s-1 (87 mph).
◦ 5.8 J
◦ 1.1 × 102J
◦ 5.8 × 103 J
◦ 1.1 × 105 J

Question 2

Calculate the quantity of heat, in kJ, required to raise the temperature of a 2.15 kg iron bar 24.0 °C (specific heat of iron = 0.473 J/g °C).
◦ 109 kJ
◦ 51.6 kJ
◦ 23.6 kJ
◦ 24.4 kJ
◦ 11.3 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tfester on Jul 8, 2021

shailee

  • Sr. Member
  • ****
  • Posts: 392
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly




 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

For a complete list of videos, visit our video library