Sunday
May 19, 2013

Posts by Juan


Total # Posts: 141

scottsdale CC
At 0.100 s intervals, the x coordinates of a particle are 0, 1.01 cm, 2.05 cm, and 3.12 cm. Estimate the instantaneous velocity and acceleration at t = 0.

scottsdale CC
Let s ct 3 , where c 1.0 m/s 3 . Compute the average speed over the time intervals t1 1.0 10 1 s, t2 1.0 10 2 s, and t3 1.0 10 3 s, with all time intervals starting at the time t 1.0000 s. What is the instantaneous speed at t 1.0000 s

scottsdale CC
During a 5.00 s interval, a particle’s coordinates change from x =10.0 m, y =5.00 m to x =30.0 m, y = 5.00 m. Assuming the particle’s velocity is constant, what will its coordinates be at the end of the next 5.00 s interval?

scottsdale CC
During a 5.00 s interval, a particle’s coordinates change from x =10.0 m, y =5.00 m to x =30.0 m, y = 5.00 m. Assuming the particle’s velocity is constant, what will its coordinates be at the end of the next 5.00 s interval?

scottsdale CC
A car travels around a curve at a constant speed of 80.0 km/h. What is the car’s instantaneous velocity at an instant when it is headed west

math
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?

mechanics
An object (point mass) is projected up an inclined plane from the bottom with an initial speed of 5.0 m/s. The plane is 0.75 m high and the coefficient of kinetic friction between the object and the plane is 0.25. For what angle of inclination would the mass just come to rest ...

physical science
C. 100kg, 166N Mass remains constant but weight would be changed because of the gravity. The equation for force is F=ma F=100*1.66 F=166N

arrays an expanded algorithm
I need an example to help my son like 23x17

chemistry
What volume of H2 (g) (at 750. mm Hg and 25 C) is produced from 50.0 mL of 0.214 M H2SO4 and 0.300 g of Al?

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