This diagram shows two different forces acting on a skateboarder. The
combined mass of the skateboard and the person is 72.3 kg. Based on this
information, what is the acceleration of the skateboarder?
Air resistance = 7.20 N
Applied force = 77.40 N
A. 0.97 m/s2 to the left
B. 0.97 m/s2 to the right
C. 3.21 m/s2 to the left
D. 3.21 m/s2 to the right
Answers: 2
Physics, 21.06.2019 14:10
Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate
Answers: 1
Physics, 21.06.2019 22:00
Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve
Answers: 1
Physics, 22.06.2019 14:00
Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car
Answers: 1
Physics, 22.06.2019 16:30
Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same
Answers: 1
This diagram shows two different forces acting on a skateboarder. The
combined mass of the skateboa...
Mathematics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
Chemistry, 27.03.2021 01:40
Chemistry, 27.03.2021 01:40
Chemistry, 27.03.2021 01:40
History, 27.03.2021 01:40