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A child in a boat throws a 5.80-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 23.0kg and the mass of the boat is 35.0kg.
Compute the velocity of the boat immediately after, assuming it was initially at rest.
Express your answer to three important figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the velocity of the box and negative value if the direction of the force is in the direction opposite to the velocity of the box.
An aluminum can is filled to the brim with a liquid. The liquid and the can are heated thus their temperatures change by the equal amount. Find the coefficient of volume expansion of the liquid
Batteries are rated in terms of ampere-hours (A · h). For example, a battery that can produce a current of 3.00 A for 5.00 h is rated at 15.00 A · h. what is the value of the electricity produced by this battery
A certain automobile manufacturer claims that its deluxe sports car will accelerate from rest to a speed of 44.5 m/s in 8.45 s. Determine the average acceleration of the car
two point charges lie on the 10.4cm axis. a charge of 9.8 x 10-6 c is at the origin and a charge of -4.6 x 10-6 c is at
The ramp is slanted at an angle of 17.0 degrees to the horizontal. Illustrate what is the coefficient of kinetic friction between the block and the ramp?
a rifle with a mass of 2.5 kg fires a bullet with a mass of 0.0045kg. the bullet moves with a muzzle velocity of 350m/s after the rifle is fired
A small light planet has a mass 1/100 that of Earth and radius 1/4 that of Earth. An astronaut weighs 600N on Earth. How much would the astronaut weigh on the surface of the smaller planet?
A series RLC circuit has components with R= 50 ohms, L= .15 Hz, and C= 20 uF. A) What is the current in the circuit, expressed as a percentage of the maximum possible current? B) What is the power delivered to the circuit, expressed as a percentage o..
a proton starts from rest and is accelerated through a potential difference of 2100 v. the proton then leaves the
An electron with kinestic energy 1.8 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 27.0 cm, Find the period of the motion
Estimate the capacitance of the series combination of capacitors shown.
a disk of radius 1.2 cm has a surface charge density of 7.0 microcm2 on its upper face. what is the magnitude of the
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