Physics Quizzes

Question 1

 

If a car horn honking that is 450 m is heard 1.3 seconds after it goes off, what is the temperature in degrees Celsius?

	A.	d. 12 °C
	B.	c. 56 °C
	C.	b. 34 °C
	D.	a. 25 °C

1 points  

Question 2

 

A 0.300 kg piece of metal is heated to 88°C and placed in a copper calorimeter with mass 0.150 kg which contains 0.500 L of water that are both initially at 12.6°C. Over a short period of time the mixture comes to an equilibrium temperature of 22.5°C, what is the specific heat of the metal?

	A.	c. 3400 J/(kg ∙ °C)
	B.	d. 1250 J/(kg ∙ °C)
	C.	a. 1084 J/(kg ∙ °C)
	D.	b. 1500 J/(kg ∙ °C)

1 points  

Question 3

 

 

 

 Using the standard form of a wave x = A cos(ωt), for this wave: 2.5 cos(6.0 t) please determine the following with the correct units:

a. The amplitude.

b. The frequency.

c. The maximum and minimum speed

d. The maximum acceleration

 

For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content Editor Use arrow keys to select functions Bold Italic Underline Font family Font size Text Color ▼ Bullet List ▼ Number List ▼ Toggle Spell Checker ▼ Insert/Edit Link Remove Link Bold Italic Underline Strikethrough Format Font family Font size Bullet List Number List Text Color ▼ Highlight ▼ Remove Formatting Cut Copy Paste Find Undo Redo Align Left Align Center Align Right Align Full Indent Outdent Superscript Subscript Insert/Edit Link Remove Link Direction Left to Right Direction Right to Left Line Horizontal Rule Insert Nonbreaking Space Character Toggle Spell Checker Browse My YouTube Videos Launch Math Editor Insert Mashup ▼ Show Nonprinting Characters Blockquote Symbol Emotions Anchor Insert/Edit Table Table Row Properties Table Cell Properties Insert Row Before Insert Row After Delete Row Insert Column Before Insert Column After Delete Column Merge Table Cells Split Merged Table Cells HTML Code View Edit CSS Style Preview Help Full Screen Show More Path: Words:0

1 points  

Question 4

 

A CD with a diameter of 12.5 cm goes from rest to a tangential velocity of 5.6 m/s. If it does this in 2.5 seconds, what is its angular acceleration?

	A.	36 rad/s2
	B.	16 rad/s2
	C.	24 rad/s2
	D.	18 rad/s2

1 points  

Question 5

 

A piece of gold with a mass of 5.50 kg and density of 19300 kg/m3 is suspended from a string and then totally immersed in a beaker of water. Using density of water is 1000 kg/m3

a) Determine the volume of the piece of gold.

b) Determine buoyant force on the gold when it is submersed.

 

For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content Editor Use arrow keys to select functions Bold Italic Underline Font family Font size Text Color ▼ Bullet List ▼ Number List ▼ Toggle Spell Checker ▼ Insert/Edit Link Remove Link Bold Italic Underline Strikethrough Format Font family Font size Bullet List Number List Text Color ▼ Highlight ▼ Remove Formatting Cut Copy Paste Find Undo Redo Align Left Align Center Align Right Align Full Indent Outdent Superscript Subscript Insert/Edit Link Remove Link Direction Left to Right Direction Right to Left Line Horizontal Rule Insert Nonbreaking Space Character Toggle Spell Checker Browse My YouTube Videos Launch Math Editor Insert Mashup ▼ Show Nonprinting Characters Blockquote Symbol Emotions Anchor Insert/Edit Table Table Row Properties Table Cell Properties Insert Row Before Insert Row After Delete Row Insert Column Before Insert Column After Delete Column Merge Table Cells Split Merged Table Cells HTML Code View Edit CSS Style Preview Help Full Screen Show More Path: Words:0

1 points  

Question 6

 

An object has a weight of 400 N when it is dry. When it is completely submerged in water is has a weight of 150 N. What is the density of the material is the density of water is 1000 kg/m3?

	A.	d. 1600 kg/m3
	B.	c. 1200 kg/m3
	C.	a. 2300 kg/m3
	D.	b. 4500 kg/m3

1 points  

Question 7

 

4.50 moles of an ideal gas is at 560K. Is the gas undergoes an adiabatic compression and 3750 J of work is done on the gas, what is the final temperature of the gas?

	A.	d. 977 K
	B.	c. 2590 K
	C.	b. 572 K
	D.	a. 627 K

1 points  

Question 8

 

A gas is taken through the cycle illustrated here. During one cycle, how much work is done by an engine operating on this cycle?

	A.	2PV
	B.	3PV
	C.	PV
	D.	4PV

Arial

-- Font size --

H

essay-ans-_85320

Arial

3 (12pt)

Paragraph

-- Font family --

-- Font size --