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q1 a battery of emf 150v has a terminal pd of 125v is joined to it calculate the current flowing the internal resistance r and the terminal pd when a
q1 a 290-m-long 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction
q1 light of wavelength 443 nm in air enters a fishbowl filled with water and then exits through the crown-glass wall of the container find out the
q1 a 346- uniform 104- bar is suspended horizontally by two vertical cables at each end cable a can support a maximum tension of 5060 without
q1 a ball is dropped from rest at a height of 80 m above the grounda what is its speed as it hits the groundb how long does it take for it to reach
q1 a positive charge of q 35 microc is pulled on by two negative charges one -20 microc is 0050 m to the north and the other -40 microc is d 0029 m
q1 consider a cylindrical segment of a blood vessel 29 cm long and 170 mm in diameter what extra outward force would such a vessel need to withstand
q1 a hockey stick is swung with an average angular acceleration of 15 rads2 what is an angular velocity of the stick when it strikes the ball at the
q1 as part of a safety investigation two 1300kg cars travelling at 18ms are crashed into different barriers find the average forces exerted on a car
q1 a sling-thrower puts a stone 0250 kg in the slings pouch 0010 kg and then begins to make the stone and pouch move in a vertical circle of radius
q1 a proton is travelling to the right at it has a head-on perfectly elastic collision with a carbon atom the mass of the carbon atom is 12 times the
q1 a rocket moves with a velocity of 0818c to the right with respect to a stationary observer a an observer b moving relative to observer a finds
q1 an emf is induced in the conducting loop of wire 112 rm m long as its shape is changed from square to circularfind an average magnitude of the
q1 a sealed bottle has water in it and two tubes enter the bottle through the seal tube b is attached to a pump at one end and the other end is above
q1 two people are carrying a uniform wooden board that is 300 m long and weighs 160 n if one person applies an upward force equivalent to 60 n at one
q1 two ocean liners each with a mass of 40000 metric tons are moving on parallel courses 92 m apart what is the magnitude of the acceleration of one
q1 a projectile is launched from earths surface at a certain initial velocity at an angle above the horizontal reaching greatest height after time
q1 a person whose eyes are h 164 m above the floor stands l 23 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor
q1 determine the tension in each cable if the boat has a mass of 490 kg and the angle of each cable is 50 degrees from the horizontal and the boat is
q1 starting from rest an13 kg block slides133 m down a frictionless ramp inclined at 30 from the oor to the bottom the block then slides an
q1 two stationary positive point charges charge 1 of magnitude 355 nc and charge 2 of magnitude 18 nc are separated by a distance of 45 m an electron
q1 a diatomic gas molecule has a mass of 201 x 10-26 kg and a rotational inertia of 337 x 10-46 kgbullm2 about an axis throughout the center of the
q1 all through its evolution a star of 1 solar mass the mass of our sun expands to 333 times its original radius assume that during this expansion1
q1 a football player runs directly down the field for 16 m before turning to the right at an angle of 33 from his original direction and running an
q1 over a 30-day period a power plant generates an average of 751 mw of electrical power and 1225 mw of waste heat and burns 183times108 kg of coal