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a 40kg mass is attached to a spring that has a spring constant k 2500 nm and is resting on a frictionless
an airline pilot pulls her 120 kg rollaboard suitecase alongthe groung with a force of 250 n for 100 m the handle she
an airplane has a mass of 3 104 kg and takes off under theinfluence of a constant net force of 35 000 n what is the
the period of a pendulum is measured to be 300sin the non-moving frame of the pendulum what is the periodas measured by
a projectile of mass 0868 kg is shot straight up with an initialspeed of 286 ms a how high would it go ifthere were no
a cart of mass m moves with a speed v on a frictionless air track and collides with an identical cart that is
the graph shows how the force component f cos along the displacement varies with themagnitude s of the displacement
the aorta is a major artery rising upward from the left ventricle of the heart and curving down to carry blood to the
a ball is tossed from an upper-story window of a building theball is given an initial velocity of 8 m2 at an angle of
in an exercise to heat up some cold hard cash a coin with a massof 625 g that has been kept in the freezer at a
an aluminum pan with 150 kg of water at an initial temperature of17 deg-c is placed on an electrical heater suppose it
you throw a baseball straight upward if air resistance is notneglected how does the time required for the ball to go
when a resistor is connected across the terminals of an ac generator 112 v that has a fixed frequency there is a
the space between two concentric conducting spherical shells of radii b 170 cm and a 120 cm is filled witha substance
a 100 g block is launched by compressing a spring of constant k200nm a distance of 12 cm the spring is mounted
consider a simple rc circuit a power supply capacitor andresistor in series if you add a parallel branch to the r and
nearly all battery powered devices with multiple batteries have their batteries connected in series could there be any
a 1kg block on a horizontal surface is attached to a light horizontal spring of force constant 500nm the block is
a 100 kg block is dragged overa rough horizontal surface by a 730 n force acting at 200deg above thehorizontal the
a 100 k resistor and a capacitor are connected in series and then a 100 v potential difference is suddenly
you ride in a car driving at a high speed when the car turns sharply around a corner you are thrown out of your seat
a frictionless gas-filled cylinder is fitted with a movable pistonthe block resting on the top of the piston determines
over a time interval of 216 years the velocity of a planet orbiting a distant star reverses direction changeing from
a helicopter has 2 three-blade rotor systems each turning theopposite direction each blade has a diameter of