Wednesday
June 19, 2013

# Posts by Ben

Total # Posts: 602

Spanish
Correction 1.A nosotros les duele la cabeza.

Spanish
I had to write sentencesabout an ache in a certain body part with indirect pronoun . There were pictures provided and the first part of the sentence like "A mi amigo" and we had to fill in the restCould you check, please 1. pain in head A nosotros nos duele la cabeza...

Spanish
Please check-I have to rewrite with an indirect object pronoun 1. Escribo una carta a mi abuela. Le escribo una carta a mi abuela. 2.Mando una tarjeta postal a mis amigos. Les mando una tarjeta postal a mi amigos.

calculus
so it doesn't matter what x is? f'x when x=238423904 will also be 1? For some reason I thought that you would have to plug in 0 for x.. like f(x) = (1+x) and when x = 0, f(0) = (1+0) = 1. So f'(0) would = 0. Can anybody help me rationalize why this is wrong? thanks...

calculus
f(x)=(1+x) what is f'(x) when x=0

physics
A 42-kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.

physics
A model rocket is launched straight upward with an initial speed of 45.4 m/s. It accelerates with a constant upward acceleration of 2.98 m/s 2 until its engines stop at an altitude of 150 m. What is the maximum height reached by the rocket? The acceleration of gravity is 9.81 ...

calculus
lim as approaches infinity of sin(pie.x/2-3x) i need the work and answer find the limit

physics
How long is the rocket in the air? Answer in units of s

physics
When does the rocket reach maximum height? Answer in units of s

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