505 Answered Questions for the topic AP physics
Can you help me with this AP Chemistry problem on reactions and cations? Thanks.
An unknown solution is tested as follows: NaCl is added and no precipitate is formed K2SO4 is added and no precipitate is formed.
Which of these cations might be present in the solution:
A....
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10/19/17
Can you please help me identify this unknown soloution?
An unknown solution is tested as follows:
NaCl is added and no precipitate is formed
K2SO4 is added and no precipitate is formed.
Identify the unknown substance.
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In which compound does nitrogen have an oxidation number of +3?
A. NH3
B. NO3
C. NO2
D. N2O5
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Question about Molarity. Please help me, Urgent.
How much water should be added to 10.0 mL of 6.00M HCl to prepare a 0.500M HCL solution?
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Can you help me with this Grahm's Law AP Chemistry Problem?
The rate of effusion of a particular gas is 24.0 L/min. Under the same conditions, the rate of effusion of CH4 is 47.8 L/min. What is the molar mass of the unknown gas?
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Consider two separate 1.0 L gaseous samples of H2 and O2. How can the samples have the same average velocity at STP?
Can you please help me with this problem?
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Ap Physics Physics Math
10/09/17
a student runs 30 meters west. then she turns 40 degrees toward the south and runs for 120 meters. find the resultant displacement.
include 3 significant figures and correct units please.
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Ap Physics
09/22/17
If you had a dragster with an acceleration of 40m/s^2, how far would you travel if you accelerated nonstop for 30s?
40m/s^2 (30seconds)
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Ap Physics
09/19/17
a ball is dropped off a very tall canyon ledge.Gravity accelerates the ball at 9.8 m/s^2. How fast is the ball traveling after 5 seconds
a ball is dropped off a very tall canyon ledge.Gravity accelerates the ball at 9.8 m/s^2. How fast is the ball traveling after 5 seconds
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I'm thinking the answer is Vf or t but I'm not sure..
Rewrite Vf = Vi+a delta t by plugging in
2 delta d / Vi+Vf For Delta t.
when you do so you will get the equation in the question below:
So tell me, Vf^2=Vi^2+2ad is...
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Would the answer be t?
Vf^2=Vi^2+2ad is independent of what variable?
(1) Vf
(2) v
(3) t
(4) a
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Would it be Vf?
d=Vi t 1/2 at^2 is independent of what variable? (1)a(2)Vi(3)Vf(4)d
** I understand that "t" is the independent variable. However, that's not what the question is asking. The question is asking...
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Independent of what variable?
d=Vi t 1/2 at^2 is independent of what variable? (1)a(2)Vi(3)Vf(4)d
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This is independent of what variable?
d=Vi t 1/2 at^2 is independent of what variable?
(1)a
(2)Vi
(3)Vf
(4)d
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Velocity-time graph?
Finish this statement/phrase:
"What does a constant slope mean in a velocity-time graph? Slope means acceleration. Therefore, if we have a constant slope, we have a constant ______."
(1)...
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09/09/17
The area of an acceleration-time graph is:
The area of an acceleration-time graph is:
(1) time
(2) velocity
(3) acceleration
(4) displacement
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09/09/17
The area of a velocity-time graph is:
the area of a velocity-time graph is:
(1) velocity
(2) acceleration
(3) displacement
(4) time
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constant velocity is represented by:
Constant velocity is represented in a velocity-time graph by:
(1) a horizontal line with no slope
(2) a curve
(3) a line of constant slope
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09/09/17
When velocity and acceleration are in the opposite direction the motion is...
when velocity and acceleration are in the opposite direction, the motion is:
(1) slowing down
(2) speeding up
(3) remaining the same
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Velocity; how far will the car travel? (Read)
A car traveling north at an average velocity of 65 km/hr. How far will it travel at 180 minutes? **Make sure to include all proper units and labels in final answer Given: Average velocity= 65 km/hr...
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09/09/17
Is final velocity a vector or scalar?
A ball starts from rest at point A and rolls .9 meters east to point B with an average velocity of 2 m/s. What was the velocity of the ball at B?
Given:
Vi=0 m/s
d (displacement)= .9m...
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Ap Physics
08/21/17
What average speed do you need to get you to the church on time?
ap physics question;
On your wedding day you leave for the church 34 minutes before the ceremony is to begin, which should be plenty of time since the church is only 12.0 miles away. On the...
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Ap Physics
07/21/17
question is below please answer asap
A 3400 kg plane flying at a constant speed of 170 m/s is to do a vertical loop. What is the radius of the loop if the pilot feels three times his normal weight when he is at the top of the loop?
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Ap Physics
07/21/17
question is below please answer asap
At what angle relative to the horizontal should a 52 m curve be banked if the road is covered with ice (no friction) to prevent the car from slipping when traveling at 12 m/s? (use g = 9.8 m/s2)
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Ap Physics
07/14/17
Question is below please answer asap (this is a conservation of momentum problem that I'm struggling with)
A large platform is initially at rest on a smooth frictionless surface. A dog on the platform starts running toward the east. The mass of the dog is one-half the mass of the platform. When the dog...
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