Posts by rex

Total # Posts: 30

physics
the electric force between Q1 and Q2 is 1.2 going to left. determine the distance between the two charges, and the electric field, E1 and E2, of the electric charges if Q1 is 6 x 10^-6 C, Q2 is 4 x 10^-6 and test charge of +1 x 10^-6 C

physics
a bullet is fire in a horizontal direction with a muzzle velocity of 300m/s in the absence of air resistance, how far will it have dropped in travely a horizontal distance of(a)20m?(b)40m?(c)60m? how far will it drop in one second

Differential Calculus
a person standing at the edge of a cliff throws a rock directly upward. it observed that 2 seconds later, the rock is it maximum height and that 5 seconds after it reached the highest point, it hits the ground at the base of the cliff. what is the initial velocity of the rock

math
17

physics
why is the following situation impossible? a normally proportioned adult walk briskly along a straight line in the +x direction, standing straight up and holding his right arm vertical and next to his body so that the arm does not swing. his right hand holds a ball at his side...

social studies (CHECK ANSWERS)
thanks brook suck my dick!!!!!! NOW I want to rape you!!

Physics
A +30 µC point charge is placed 32 cm from an identical +30 µC charge. How much work would be required to move a +0.45 µC test charge from a point midway between them to a point 11 cm closer to either of the charges?

Mathg
Last semester, a certain professor gave 26 As out of 332 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

Math
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 4.1 cross 102 µm.

physics
In the drawing, the weight of the block on the table is 380 N and that of the hanging block is 175 N. Ignore all frictional effects, and assuming the pulley to be massless. What is the acceleration of the two block?

physics
two ropes are tied on a post and applied with forces of 8 and ion.If the amgle between them is 60degrees. Find the resultant vector

science
How many grams of water, H(subscript 2)O, and propene, C(subscript 3)H(subscript 6), can be formed from the reaction of 6.0 g of 2-propanol, C(subscript 3)H(subscript 8)O?

Chemistry
5.032*10^15

Chemistry
5.043*10^-7

Chemistry
5.043*10^-7

chemistry
5.043*10^-7

chemistry
5.043*10^-7

Chemistry
5.043*10^-7

Physics
What do I use for q?

Physics
Singly charged positive ions are kept on a circular orbit in a cyclotron. The magnetic field inside the cyclotron is 0.947 T. The mass of the ions is 3.01×10-26 kg, and speed of the ions is 3.45 percent of the speed of the light. What is the diameter of the orbit? (The ...

marketing
Select three major sales promotions from different companies.

physics
Density=mass/volume Density=100grams/50 cu.cm Density=2gm/cu.cm

physics
A 5.0-kg block at rest on a frictionless surface is acted on by forces F1 = 5.5 N and F2 = 3.5 N. What additional horizontal force will keep the block at rest? Answer: F3 = (-7.6 N)

Pyshics
A car is travling forward at 75km/h. How far does the caar tavel in 25 s?

4th grade science
what to do

English
How does an individual struggle to gain freedom against the restraints of society? How should I answer this essay question? Could you direct me on how to answer this essay question? I was thinking about how individuals rebel against society to gain freedom, but I think this is...

math/algebra
how do I solve system of linear inequalities by graphing x-y<=3, x+2y=>6.

English - Hamlet
What's so significant with the phrase "Who are they?" It's overused in the play and I don't know why they keep repeating it. I know some of the characters have trust issues, but I'd like a detailed explanation as to why. Thanks in advance.

math
9000min

English
SORRY DON'T KNOW