Physics
30Jan
30Jan
Which describes an object with constant velocity
zrankehongold1
Physics
2 0
30Jan
When you whisper, you produce a 10-dB sound. a. When you speak quietly, your voice sounds twice as loud as a whisper. How many decibels is this? b. When you speak normally, your voice sounds 4 times as loud as a whisper. How many decibels is this? c. When you yell, your voice sounds 8 times as loud as a whisper. How many decibels is this?
tpresson
Physics
1 0
30Jan
30Jan
30Jan
Characteristics of simple harmonic motion include which of the following? I. The acceleration is constant. II. The restoring force is proportional to the displacement. III. The frequency is independent of the amplitude. (A) II only (B) I and II only (C) I and III only (D) II and III only (E) I, II, and III
Wolffe377
Physics
1 0
30Jan
Identical twins Kate and Karen are rowing their boat on a hot Summer afternoon when they decide to go for a swim. Kate, whose mass is 45 kilograms, jumps off the front of the boat at a speed of 3.00 m/sec. Karen jumps off the back at a speed of 4.00 m/sec. If the 70-kilogram rowboat is moving at 1.00m/s when the girls jump, what is the speed of the rowboat after the girls jump?
Liberty146
Physics
1 0
30Jan
What are the properties of a magnet?
Malafronte41
Physics
1 0
30Jan
30Jan
Suppose you are walking home after school. The distance from school to your home is five kilometers. On foot, you can get home in 25 minutes. However, if you rode a bicycle, you could get home in 10 minutes. a. What is your average speed while walking? b. What is your average speed while bicycling? c. How much faster you travel on your bicycle?
boomshanka
Physics
1 3
30Jan
A pendulum has a period of 0.3 second. What is its frequency?
geraldinearmen
Physics
1 0
30Jan
What is the advantage of a gold leaf electroscope ?
Malafronte41
Physics
1 0