Physics
A 200 g mass is attached to a spring of spring constant k. The spring is compressed 15 cm from its equilibrium value. When released the mass reaches a speed of 5 m/s. What is the spring constant (in N/m)?
Physics
A ball bounces upward from the ground with a speed of 14 m/s and hits a wall with a speed of 12 m/s. How high above the ground does the ball hit the wall? Ignore air resistance.
Chemistry
A(n) ____ reaction is one in which oxygen reacts with another compound to form carbon dioxide, water, and heat.
french
I am supposed to choose from pronom indirect (indirect pronouns), and pronom disjoint (stressed pronuons). Naturally, if you had an answer for the question, you'd know what those meant, but I just thought I should give a better idea of my level of understanding... Anyway, ...
Physics
A 10-g bullet is shot vertically into a stationary 8-kg block. The block lifts upward 3.0 mm. The bullet penetrates the block in a time of .001 seconds. Assume the force exerted on the block is constant. What is the impulse imparted on the block by the bullet?
Algebra II
The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely proportional to the square of the distance from the light source. If a desk is properly illuminated by a 74.0 w lamp 8.00 ft from the desk, what size lamp...
Algebra II
The volume of a given weight of gas varies directly as its absolute temperature t and inversely as its pressure p. If the volume is 4.45 m^3 when p=225 kilo pascals (kpa) and t = 305 K, find the volumn when p = 325 kpa and t = 354 k.
Algebra II
The amount paid to a work crew varies jointly as the number of persons working and the length of time worked. If 5 workers earn $5123.73 in 3.0 weeks, in how many weeks will 6 workers earn a total of $6148.48?
english
In the sentence: Not only it does affect women and children, but it also affects our society and our future generations. is the sentence correct? Thank you :)
physics
how much force is exerted on a bag that is lifted at 5m/s^2 with 18.5kg in it
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