Physics

In general, which of the following is not a critical skill for participating in a sport? a. agility and balance b. endurance and muscle control c. hand-eye coordination and acuity d. none of the above please select the best answer from the choices provided. a b c d
2 Answers
What is current of 12 ohm? help me pleasee
1 Answer
What type of electromagnetic waves cause sunburns?.
2 Answers
An object can not have a charge of?
1 Answer
Which of the following is an example of the Doppler effect?A. Two identical musical instruments being played next to each other will produce a sound twice as loud as if only one were played.B. The siren of a police car sounds different when the car is coming toward you than it does when it passes you.C. A hiker shouts "hello" into a canyon and hears it repeated back several times before it fades away.D. Vibrations from a tuning fork pass through the air and cause a nearby dish of water to produce ripples of the same frequency.
1 Answer
33If a jogger runs a 10 kilometer race in 60 minutes, what isher average speed?A10 km/hrB5 km/hr 6 km/hrD1.66 km/hr
1 Answer
how many kids under the age of 21 are drinking and smoking in the us and California combined
2 Answers
4. An archer pulls a bowstring back 0.440 m, and the spring constant of the bow is 545 N/m. a.) Find the amount of work the archer did to draw the bow.b.) Find the speed an arrow of mass 0.060 kg will have when it is shot from the bow.Assume no losses from friction
1 Answer
What are Two methods of producing A.C Electricity ?
1 Answer
If a FM radio station broadcasts at 80. 3 MHz (megahertz), what is its wavelength in m (speed of light 3. 0 x 108 m/s)
1 Answer
Is a dog barking an example of kinetic energy to potential energy
1 Answer
Your classmate drops a thermometer in a laboratory.What would you advise her to do first?
2 Answers
With a class 1 lever, does mechanical advantage increase or decrease as the fulcrum is moved closer to the load? Explain why.
1 Answer
Please answer and show formula
1 Answer
If a transverse wave osculates 7 times every second and the speed of the wave is 27 m/s what is the wavelength of the wave
1 Answer
_______ is an SI unit for mass.A. massB. kilogramC. newtonD. acceleration of gravityE. weight
2 Answers
If a fast-moving car making a loud noise approaches and moves past a person, which of the following will happen as the distance between the two increases?A) The pitch and frequency of the sound waves reaching the person's ear will remain unchanged.B) The pitch of the sound being heard by the person will appear to be lower than the pitch of the source.C) The frequency of the sound waves reaching the person's ear will be greater than the frequency of the waves leaving the car.D) The pitch of the sound being heard by the person will appear to be higher than the pitch of the source.
2 Answers
The cooper family hijacks a UAV (Unmanned Aerial Vehicle). What do you know about UAVs and how they are used today? Interstellar movie
2 Answers
A concave makeup mirror has a radius of curvature equal to 40 cm. How far away must your face be from the mirror so that your virtual image is twice the size of your actual face?.
1 Answer
Pure substances can be made of atoms that are attracted to each other or atoms that are not attracted to each other. Which type of pure substance can create elaborate structures? (1 point)Atoms that are attracted to each other because the bonds that form between them can support the creation of the structure. Atoms that are attracted to each other because they will mix together to form a mixture with a different structure. Atoms that are not attracted to each other because they will form bonds with each other and create a larger structure. Atoms that are not attracted to each other because they will stay still and end up laying on top of each other.
1 Answer
10. In the process of fusion, nuclear energy isA. absorbed when a nucleus splits.B. released when a nucleus splits.C. released when nuclei join.D. absorbed when nuclei switch places.
2 Answers
After hearing about an accident on his normal route, mr. gujral checks for alternate routes to get to work. what type of circuit does this traffic situation model? a series circuit because there is more than one path a series circuit because there is only one path a parallel circuit because there is more than one path a parallel circuit because there is only one path
2 Answers
If a 5-kg object experiences a 10-N force for a duration of 0. 10-second then what is the impulse exerted by the force on the object? What is the momentum change of the object? What is the change in velocity for the object?
2 Answers
The game starts with the serve on the left side of the court.OTrueOFalse
1 Answer