Nadiya12345 Nadiya12345

23-02-2021
Physics

contestada

6. A car accelerates from rest to 5m/s in 20 s. The force from the engine is 2000N. The force of air resistance and friction acting is 1000N. What is the cars mass?

Respuesta :

muskan1913yadav muskan1913yadav

23-02-2021

Answer:

net force= 2000-1000=1000

a=v-u/t=5/20=1/4

m=?

m=f/a

=1000÷1/4=4000kg

Answer Link

Otras preguntas

A driver can be fined between _________ for not yielding or stopping when a school bus has stopped to load and unload children.

n a felony case, the purpose of a grand jury is to A. judge the merits of the case against the state constitution. B. decide if the evidence warrants prosecuti

Two companies, healthy nutrition inc. and the simple solutions software inc., have joined forces to produce a meal planning program for use at home. the two org

The president has a very important power to appoint judges, justices, and cabinet-level officials. however, the constitution requires that this power be checked

Fossil fuels are seen by some scientists as a temporary energy source. which aspect of fossil fuels encouraged scientists to find other sources of energy produc

Which statements describe phase changes? Check all that apply. Particles in a liquid need to move more slowly in order to freeze. Attractive forces overcome t

. In which of the following situations are you least likely to use the skill of summarizing? writing a synopsis of a play reading a magazine trying to re

What is the overarching goal of biotechnology? To genetically manipulate organisms. To increase the personal wealth of scientists/biotechnologists. To mimic

Should teens be allowed to play dangerous sports?

When a cabinet member makes a recommendation to the president, the president is required by the constitution to implement the recommendation is required by law