I'm Selling My YouTube Channel! (Read Pinned Comment)

I mark up the computers I am selling by 20% and sell them at a discount of 15% . What is my net gain percent?

A wooden block slides down the right angle channel as shown in Fig. The channel is inclined at an angle theta w.r.t. the horizontal . The angle alpha is 45^(@) , i.e., the channel is oriented symmetrically with the vertical. IF the coefficient of friction between the block and the channel is mu_(k) , find the acceleration of the block.

In the following question below are given some statements followed by some Conclusions. Taking the given statements to be true even if they seem to be at variance from comonly known facts, read all the Conclusions and then decide which of the given Conclusion logically follows the given statements. Statements : I. Some staplers are pins. II. All pins are markers. Conclusions : I. Some staplers are markers. II. All markers are pins.

Water is flowing through a channel that is 12 m wide with a speed of 0.75m/s. the water then flows into four identical channels that have a width of 4.0 m the depth of te water does not change as it flows into the four channels. What is the speed of the water in one of the smaller channels?