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in the absence of air resistance a projectile is launched from and returns to ground level it follows a trajectory
an airplane with a speed ofnbsp286nbspms is climbing upward at an angle ofnbsp42degnbspwith respect to the horizontal
examine the dependence of resistivity and resistance of a wire on temperature and how it affects the potential
1 does the shape of the balloon affect how far or fast the rocket travels2 does the length of the straw affect how far
two objects with masses ofnbspm1nbspnbsp360nbspkgnbspandnbspm2nbspnbsp580nbspkgnbspare connected by a light string that
a facility uses an 23 hp fan to blow-dry products on an conveyor belt in a plant that operates 24 hours a day 365 days
a rock of mass 0480 kg falls from rest from a height of 150 m into a pail containing 0460 kg of water the rock and
as the drawing shows two thin strips of metal are bolted together at one end and have the same temperature one is steel
a baseball m 148 g approaches a bat horizontally at a speed of 409 ms 915 mih and is hit straight back at a speed of
the mass of earth is 5972 1024 kg and the radius of earth is 6371 km a 750 kg satellite orbits 35800 km above earth in
two hikers head out from the same spot hiker 1 hikes due east for 5 miles then at a 30ordm angle north of east for
provide an example of where you might find angular velocities to be the same while tangential velocities are different
a 2kg block is initially at rest on a frictionless level surface when a 125 n force is applied at an angle of 3687
can you please explain how use the force model to answer the question a 2kg block is initially moving at 4 ms to the
an object of mass m is thrown vertically upward from the surface of earth where the acceleration due to gravity is ga
two small frogs simultaneously leap straight up from a lily pad frog a leaps with an initial velocity of 0551 ms while
if you throw a ball up with 10ms an a kid runs after the ball with 5 ms at what angle would the kid throw the ball to
a block mass 23 kg is hanging from a massless cord that is wrapped around a pulley moment of inertia 20 10-3 kg
given the weight of a person w 595 their one hand l10846 m and their other hand l2 0397 m doing push ups find the
what things could affect a graph of frequency vs amplitude would this depend on mass would it change if the spring
rank the objects according to their rotational inertia from largest to smallest the masses of a b and c are 2m 3m and m
a potters wheel a solid uniform disk of mass 60kg and radius 25cm spins about its central axis with an angular speed of
neglecting air resistance how fast will a soccer ball m 045 kg be travelling when it hits the ground if its dropped
a satellite has these orbital elements -- semi-major axis 10900 km -- eccentricity 005 -- inclination 60 degrees --
the engine of a locomotive exerts a constant force of 70 x 105 n to accelerate a train to 78 kmh determine the time in