# Physics

30Jan

### Which has more Potential Energy a car parked on the top of the hill,a person on the top of the same hill sitting down eating a sandwich, or a man running fast at the bottom of the same hill?

izetradoncic7 Physics 2 0
30Jan

### Your grandmother in Ireland sends you her favorite cookie recipe. Her instructions say to bake the cookies at 190.5°C. To what Fahrenheit temperature would you set the oven to bake the cookies?

SueTrythall677 Physics 1 0
30Jan

### Calculate the average speed of a bicycle that travels 100m in 20 s.

kindenmya51 Physics 1 0
30Jan

### A force of 200 N is required to keep an object sliding at a constant speed of 2 m/s across a rough floor. How much power is being expended to maintain this motion?

gabby111401 Physics 1 0
30Jan

### Which describes an object with constant velocity

zrankehongold1 Physics 2 0
30Jan

### An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her upcoming trip to Canada (standard household voltage = 120 volts). If her input coil has 240 turns, how many turns should her output coil have?

alfinda131 Physics 1 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

### If a rock is sitting in the dirt, the normal force from the ground and BLANK are acting on it plz help

nya08 Physics 2 0
30Jan

### The net force determines how and if an object will BLANK thank youuuu

nya08 Physics 1 0
30Jan

### how do you unscramble the science topic atsetlectoicnp

wessi Physics 1 0
30Jan

### Explain why sedimentary rocks are found as a veneer covering large areas of the continental igneous rocks

EdwardoSueltenfus610 Physics 1 1
30Jan

### A skier reaches the bottom of a slope with a velocity of 12 meters per second north. If the skier comes to a complete stop in 3 seconds, what is the acceleration

Kiki14 Physics 1 0
30Jan

### What is the mass of a falling rock if it produces a force of 147 n? F= M= A=

Stasia25 Physics 1 0
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

### Calculate the force between one grapefruit as described above and Earth. Earth has a mass of 5.9742 × 1024 kg and a radius of 6.3710 × 106 meters. Assume the grapefruit is resting on Earth’s surface.

chukwuajo588 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

### The Lamborghini Diablo sports car can accelerate from 0.0 km/hr to 99.2 km/hr in 4.0 seconds. What is the acceleration of this car? Give your answer in units of kilometers per hour/sec.

chelanajain083 Physics 1 0
30Jan

### What are the properties of a magnet?

Malafronte41 Physics 1 0
30Jan

### Every 6 seconds a pendulum completes 1 cycle. What are the period and frequency of this pendulum?

Sweetyazzy101 Physics 1 0
30Jan

### Decide which of newtons laws each situation shows. A grasshopper leaping into the air comes back down to the ground instead of continuing off into space. As you swim you move forward by pushing water back with your arms. When you kick a soccer ball harder it goes faster.

TericaSama Physics 1 0
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

### A cart travels down a ramp at an average speed of 5.00 centimeters/second. What is the speed of the cart in miles/hour?

jaisheela Physics 1 0
30Jan

### A wave has a period of 2 seconds and a wavelength of 4 meters.Calculate its frequency and speed.

Queenichole Physics 1 0
30Jan

### What is the advantage of a gold leaf electroscope ?

Malafronte41 Physics 1 0