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Problem: An object's velocity is V =ct^3i+dj, where t is time and c and d are positive constants with appropriate units.
Part A: What is the object's acceleration?
I need help to solve the above problem and express your answer in terms of the unit vectors i and j.
A ray of light strikes a flat block of glass (n = 1.53) of thickness 1.80 cm at an angle of 36.0° with the normal. find the angles of incidence and refraction at each surface
Two bicycle tires are set rolling with the equivalent initial speed of 5.0 m/s along a long, straight road, and distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 {rm psi} and goes the dist..
an air-track glider attached to a spring oscillates between the 9.00cm mark and the 54.0cm mark on the track. the
A block is being pulled by a rope with a force of 24 N. The rope has an angle of theta=20 degrees from the horizontal. The block moves a distance of 11 m. Elucidate what is the work done?
if a boat floats in two types of liquid, one more desnse than theother, where is the buoyant force greater on the boat
Nerve cells are long, thin cylinders along which electric disturbances (nerve impulses) travel. determine the magnitude of the charge density on the inner and outer cell walls
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
A large number of ground state electrons in a gas of hydrogen atoms are excited to the fourth excited state. Determine how many energy did each electron gain
A spring is hanging from the ceiling. Attaching a 560 g mass to the spring causes it to stretch 22.0 cm in order to come to equilibrium. At what position or positions does it have this speed
What are vertical and horizontal components of the ball's momentum immediately after striking the crossbar. what is an average acceleration of the ball during this time interval.
An iron vat is 17 meter long at room temperature (20°C). Determine how much longer is it when it contains boiling water at 1 atm pressure
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 8.00m from the takeoff point. What is its horizontal speed
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