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Q. All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
What is the parallel force acting on the block?
A parachutist descending at the speed of 25 m/s loses a shoe at an altitude of 50 m. (Assume the positive direction is upward.)
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
The lows note emitted by stretched string has a frequency of 50Hz.how many outcome are possible between 40Hz and 170Hz.
A 20 {rm kg} child plays on a swing having support ropes that are 2.3 {rm m} long. A friend pulls her back until the ropes are 39.0^circ from the vertical and releases her from rest.
What is the speed of the projectile
Calculating plants maximum possible thermal and actual efficiency.
An oil drop carries one excess electron and weighs 9.6 x10-15 N. What electric field strength is required to suspend the drop so it is motionless.
A skier is accelerating down a 30 degree hill at 3.60 m/s^2. How long would it take her to reach the bottom of the hill, assume she starts from rest and accelerates uniformly, if elevation change is 170m.
Imagine a "free" electron and a "free" proton held midway between the plates of a charged equivalent plate capacitor. When released, how do their accelerations and directions travel compare.
How various lines per centimeter does a grating have if the third-order occurs at a 23.0 degree angle for 630-nm light.
A galvanometer with a coil resistance of 11.0 and the full-scale current of 0.150 mA is used with a shunt resistor to make an ammeter. The ammeter registers the maximum current of 4.00 mA. Find the equivalent resistance of the ammeter.
When a charge that is free to move is released in the presence of an electric field, does it move from a region of high electric potential to a region of low electric potential or vice-versa? Does your reply depend on whether the charge is positiv..
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