Why is it that the incident angle isn't exactly the same as the reflection angle?

A bullet is fired straight up from a gun with amuzzle velocity of 208 m/s. Neglecting air resistance, what will be itsdisplacement after 8.9 s?

Find the area of a right triangle with sides 15.0 cm, 20.0 cm, and 25.0 cm. express your answer with the correct number of significant figures

The lowest-pitch tone to resonate in a pipe of length L that is closed at one end and open at the other end is 200 Hz. Which one of the following frequencies will NOT resonate in the same pipe a. 1800 Hz b. 1000 Hz c. 1400 Hz d. 600 Hz e. 400 Hz

True or false: Air moves from high pressure to low pressure.

What is the name and degree of the line of longitude that passes through greenwich england

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).

A helicopter flies 30 km 30 degrees north of east, drops of the supplies to a research team; it then heads 50 degrees north of west traveling 70 km to drop the supplies to a filming crew. What is the resultant displacement of the helicopter?