You are driving a foreign car, and the speedometer uses only units of
kilometers per hour (km/h). You see a sign showing a speed limit of 25 mi/h.
What is that speed in kilometers per hour? (1 mi = 1.61 km)
O A. 40 km/h
O B. 25 km/h
O C. 15 km/h
O
D. 16 km/h

Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final