Các câu hỏi tương tự
Thuc hien phep can bang can ro bec van,cho cac qua can 200g va 300g va tui muoi 600g,lam the nao de biet duoc khoi luong do chinh xac ma chi 1 lan can
lam the nao de biet duoc khoi luong rieng cua vien bi dac bang thuy tinh
de vat ly
co 1 can dia va 1 hop cac qua can dung
lam the nao de biet can dung hay sai ?
neu can sai lam the nao de can dung khoi luong cua mot vat ?
.Một hoc sinh khang dinh rang cho toi 1 thuoc co GHĐ 1m toi se chi can dung thuoc do do 1 lam la co the biet duoc san truonng dai bao nhieu met
a) ban do phai lam the nao de thuc hien loi noi cua minh
b)ket qua ban thu duoc co chinh xac ko tai sao
Hay xac dinh khoi luong cua 10 bao gao biet moi bao co the tich la 0,2cm3 va khoi luong cua gao la 1200kg/m3
1.1 lo xo co chieu dai tu nhien 30cm,khi treo qua can co khoi luong 100g thi lo xo dan them 1cm.hoi neu treo qua can co khoi luong 200g thi lo xo dan ra dai bao nhieu?2.1 soi day chi chiu duoc 1 luc toi da la 15N.moc vao soi day 1 vat co khoi luong 1kg.hoi day co bi dut khong?vat co khoi luong toi da bao nhieu de day khong bi dut.3.1 lo xo chieu dai khi chua treo vat 20cm duoc dat thang dung phia tren co 1 dia can.khi dat vat co khoi luong 100g vao dia can thi chieu dai cua no 15cm.con ne...
Đọc tiếp
1.1 lo xo co chieu dai tu nhien = 30cm,khi treo qua can co khoi luong = 100g thi lo xo dan them 1cm.hoi neu treo qua can co khoi luong = 200g thi lo xo dan ra dai bao nhieu?
2.1 soi day chi chiu duoc 1 luc toi da la 15N.moc vao soi day 1 vat co khoi luong = 1kg.hoi day co bi dut khong?vat co khoi luong toi da bao nhieu de day khong bi dut.
3.1 lo xo chieu dai khi chua treo vat = 20cm duoc dat thang dung phia tren co 1 dia can.khi dat vat co khoi luong = 100g vao dia can thi chieu dai cua no = 15cm.con neu dat vat khoi luong 250g vao dia can thi chieu dai cua no = 10cm.tim khoi luong dia can.
AI GIAI NHANH NHAT MK SE TICK CHO 7 TICK.
1.Mot khoi sat co khoi luong 390000g
a)Tinh the tich cua khoi sat
b)Mot khoi thuy tinh co the tich lon gap 2 lan the tich khoi sat.Hoi khoi nao co khoi luong lon hon va lon hon bao nhieu lan?
Biet khoi luong rieng cua sat la 7800kg/m3 va khoi luong rieng cua khoi thuy tinh la 2500kg/m3
tinh trong luong va trong luong rieng cua mot dong da co the tich 500dm3.Biet khoi luong rieng cua da la 2600kg/m3
VAT LY 6
mot vat co trong luong la 1600N va the tich la V=200dm3 lit nuoc .Xac dinh vat do lam bang chat gi?