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biological muscle cells can be thought of as nanometres that utilize the chemical energy of atp to produce mechanical
a collision occurs between a 444 kg particle traveling with velocity 1 640 ms -118 ms and a 149 kg particle traveling
70 kg object undergoes an acceleration of 25 ms21 what is the magnitude of the resultant force acting on it2 if this
the best leaper in the animal kingdom is the puma which can jump to a height of 119 ft when leaving the ground at an
the block has a mass of 15 kg the top of the angle of the incline is 37 degrees the ramp is coated with a substance
a 12 v battery is connected to a plate separation of 500 mm and a parallel-plate capacitor with a plate area of 020 m2a
a rocket with an initial mass of 1000kg adjusts its thrust by varying the rate at which mass is ejected the ejection
a 30 kg mass sliding on a frictionless surface explodes into three 10 kg massesnbsp after the explosion the velocities
a neutron star has a mass of 220 x 1030 kg about the mass of our sun and a radius of 50 x 103 m about the height of a
a what is the escape speed on a spherical asteroid whose radius is 585 km and whose gravitational acceleration at the
a 004 kg bullet is moving horizontally with a velocity of 355 ms where the sign indicates that is moving to the right
1 decide the amount of work in joules that should be done on a100 kg payload to elevate it to a height of 997 km above
one mole of oxygen gas is at a pressure of 530 at m and a temperature of 310degca if the gas is heated at constant
a grandfather clock is controlled by a swinging brass pendulum that is 10 m long at a temperature of 22degcnbspa what
a spacecraft in the shape of a long cylinder has a length of 100 m and its mass with occupants is 1260 kg it has
a 65-kg bicyclist rides his 88-kg bicycle with a speed of 14 msa what is the magnitude of the braking forceb how far
a ball is tossed from an upper-story window of a building the ball is given an initial velocity of 880ms at an angle of
a fireman 440 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of
a 200-g block is pressed against a spring of force constant knm until the block compresses the spring 100cm the spring
a 5000kg mass starts from rest and slides down on an inclined plane hits a bumper at the bottom of the inclined plane
a helicopter starting from rest accelerates straight up from the roof of a hospital the lifting force does work in
a police officer in hot pursuit drives her car during a circular turn of radius 300m with a constant speed of 800kmh
pushing on the pump of a soap dispenser compresses a small spring when the spring is compressed 050cm its potential
astronomers observe a 600 106 hz source both directly and by reflection from the sea the receiving dish is 200m above
a microphone is attached to a spring that is suspended from the ceiling directly below on the floor is a stationary 440