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The position of a particle moving along an x axis is given by x = 20t2 - 3.0t3, where x is in meters and t is in seconds.
What is the maximum positive velocity reached by the particle?
? m/s
What is the acceleration of the particle at the instant the particle is not moving (other than at t = 0)?
? m/s2
Where does the energy of an objects inertia come from. You can throw a ball, And how is the ball interacting with the space around it to be moving in the first place?
A skier is accelerating down a 30 degree hill at 2.00 m/s squared. what is vertical component of her acceleration
An ideal gas initially at 324 K is compressed at a constant pressure of 27 N/m2 from a volume of 3.0m3 to a volume of 1.8m3. what is the final temperature of the gas
Helium gas is confined in a volume of 3 m3 and is at pressure of 2.1 atmospheres. What is the thermal energy of this gas
A magnifying glass uses a converging lens with a focal length of 15.5 cm. It produces a virtual and upright image that is 3.3 times larger than the object. How far is the object from the lens
A helium atom (m= 6.6465 x 10^-27 kg) collides elastically with an oxygen atom (m = 2.6560x10^26kg) at rest. Find the speed of the oxygen atom
A car is traveling at 95.0 km/hr when it collides with a stone wall. The car comes to rest after the first 30.0 cm of the car is crushed. what would the average force acting on the driver
Two concentric conducting spheres of radii a = 5 cm and b = 10 cm have a potential difference V = 100 V between them. What is the charge carried by each sphere
Two converging lenses, each of focal length 13.4 cm, are placed 62.5 cm apart, and an object is placed 27.6 cm in front of the first. Where is the final image relative to the second lens formed
Calculate the inductance of a solenoid with 275 turns if the length of the solenoid is 30 cm and its radius is 2.5 cm
q1. a fan at a rock concert is 30 m from the stage where the sound intensity level is 110 db. her eardrums have a
A 850kg electric car uses a 270 V battery pack. What's the maximum speed the car can attain during this time
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