This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A metal wire has a resistance of 10.00 W at a temperature of 20.0C. If the same wire has a ... (Read 237 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
A metal wire has a resistance of 10.00 W at a temperature of 20.0C. If the same wire has a resistance of 10.55 W at 90C, what is the resistance when its temperature is 0.0C?
 a. 13.8 W
  c. 9.84 W
  b. 9.69 W
  d. 0.70 W

Question 2

Dams at two different locations are needed to form a lake. When the lake is filled, the water level will be at the top of both dams. Dam 2 is twice as high and three as wide as Dam 1 . How much greater is the force of the water on Dam 2 than the force on Dam 1? (Ignore atmospheric pressure; it is pushing on both sides of the dams.)
 a. 24
  c. 6
  b. 12
  d. 3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

honnalora

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


audragclark

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 28, 2018
Thanks


honnalora

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Temperature and Color Temperature and Color
Tin snips are used to cut thin sheets of metal or carpet. Tin snips are used to cut thin sheets of metal or carpet.
A typical two-wire coil-on-plug ignition system showing the triggering and the switching being ... A typical two-wire coil-on-plug ignition system showing the triggering and the switching being ...
A typical engine coolant temperature (ECT) sensor. ECT sensors are located near the thermostat ... A typical engine coolant temperature (ECT) sensor. ECT sensors are located near the thermostat ...
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ... To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Change in air temperature at various air flow rates for a 2 pass operation Change in air temperature at various air flow rates for a 2 pass operation
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library