How long is her shadow, A 5.4ft -ft-tall girl stands on

How long is her shadow

Assignment Help Physics

Reference no: EM13323457

1) A concave cosmetic mirror has a focal length of 36cm . A 5.0cm -long mascara brush is held upright 18cm from the mirror..

A) Use ray tracing to determine the location of its image.

q=___________cm

B) Use ray tracing to determine the height of its image.

h=______cm

C) Is the image upright or inverted?

D) Is the image real or virtual?

2) A 5.4ft -ft-tall girl stands on level ground. The sun is 30? above the horizon.

A) How long is her shadow?

l=_____ft

Reference no: EM13323457

Questions Cloud

Explain the delta h for the neutralization of naoh : The delta H for the neutralization of NaOH with H2SO4 is -144kj/mol H2SO4. What is the maximum measured temperature in the styrofoam cup

Determine the required bolt spacing in the longitudinal x : A 10 m long built-up beam is to be fabricated from a universal section beam (UB) and two 'C' channel sections (as indicated). The beams are joined by bolts, with the allowable shear load in each bolt being 12 kN.

What frequency would be required : If a 2.4 m wave was created using a frequency of 63 Hz, what frequency would be required to creat the next higher harmonic

How to determine the two possible depths of flow : A 200 m wide natural stream, whose cross-section can be approximated by a rectangular cross-section, contains a dischargeof 80 cumecs. If the specific energy of the flow is 1.5 timesthe minimum specific energy

How long is her shadow : A 5.4ft -ft-tall girl stands on level ground. The sun is 30? above the horizon. How long is her shadow

Determine the ratio of the weight of the solid shaft : Two shafts are made of the same material and are of equal lengths.one of them is solid and another one is hollow. the ratio of inside and outside diameters for hollow shaft is 0.65.

What is density of compound a : Compound A --> Compound B if you start with 10.0 mL of Compound A and obtain 9.0 g of Compound B. Density of Compound A = 0.75 g/mL MW of Compound A = 150. g/mol MW Compound B = 300.

Discussion of audit opinion and management sign-off on the : By looking to Pall corporation rations (debt to total assets, current ratio, current assets to total assets, profit margin, and return on assets)-- (what conclusions would you as an auditor make and what additional testing would you do as a result)?

Find is the image upright or inverted : An object is 22cm in front of a diverging lens with a focal length of 11cm. Is the image upright or inverted

User Account

All Pages